Key Washer
A51G20121-13
(NSN) National Stock Number
5310-00-003-6542
Federal Supply Classification
5310 Nuts and Washers
Item Name Code
01869
Schedule B Code
7318220000
Summary
0.470 inches minimum and 0.480 inches maximum hole diameter, 0.045 inches minimum and 0.055 inches maximum external prebent key length, 0.105 inches minimum and 0.115 inches maximum external prebent key width, 0.059 inches minimum and 0.065 inches maximum internal straight key width, 0.193 inches minimum and 0.205 inches maximum distance from centerline to top of internal key, 0.351 inches minimum and 0.367 inches maximum distance from centerline to inside of prebent key
| DAC | HCC | DMIL | RNCC |
|---|---|---|---|
| 1 | - | - | 3 |
| RNVC | SADC | MSDS | RNAAC |
|---|---|---|---|
| 2 | - | - | ZZ |
Identification
A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes:thrust type washer.
| INC | FIIG | Concept | Condition |
|---|---|---|---|
| 01869 | A022B0 | 1 | 1 |
Specifications
Hole Diameter
0.470 inches minimum and 0.480 inches maximum
Details
The length of a straight line which passes through the center of a hole,and terminates at the circumference.External Prebent Key Length
0.045 inches minimum and 0.055 inches maximum
Details
None.External Prebent Key Width
0.105 inches minimum and 0.115 inches maximum
Details
None.Internal Straight Key Width
0.059 inches minimum and 0.065 inches maximum
Details
The measurement from one flat surface of the key to the opposite flat surface.Distance From Centerline To Top Of Internal Key
0.193 inches minimum and 0.205 inches maximum
Details
None.Distance From Centerline To Inside Of Prebent Key
0.351 inches minimum and 0.367 inches maximum
Details
None.Overall Distance Including Keys
0.738 inches minimum and 0.764 inches maximum
Details
None.Material Thickness
0.038 inches nominal
Details
A measurement of the smallest dimension of the material,in distinction from length or width.Hardness Rating
33.0 rockwell c minimum and 37.0 rockwell c maximum
Details
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.Part Name Assigned By Controlling Agency
navy special project
Details
The name assigned to the item by the government agency or commercial organization controlling the design of the item.Special Features
internal key located 135 deg from external key
Details
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.Material
steel comp 4130 overall
Details
The chemical compound or mechanical mixture properties of which the item is fabricated.Material Document And Classification
mil-s-18729 mil spec single material response overall
Details
The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.Surface Treatment
cadmium overall
Details
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.Surface Treatment Document And Classification
mil-c-8837,type2,class1 mil spec single treatment response overall
Details
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.Style Designator
key
Details
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).
Details
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.Master-Cross Reference List
| Part | CAGE | DAC | HCC | RNCC | RNVC | MSDS | RNAAC |
|---|---|---|---|---|---|---|---|
| A51G20121-13 | 61174 | 1 | - | 3 | 9 | - | ZZ |
| A51G20121-13 | 26512 | 1 | - | 5 | 9 | - | ZZ |
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
| HMIC | PMIC | ESD/EMI | Criticality |
|---|---|---|---|
| N | A | A | - |
Freight
Universal / National Freight and Handling Information
| UFC | HMC | LTL | LCL |
|---|---|---|---|
| 55210 | - | U | - |
| RVC | WCC | TCC | SHC |
|---|---|---|---|
| - | 713 | Z | 9 |
Certified Supplier
Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.
- ISO9001 / AS9100 Quality Standards
- HAZMAT Certified
- On Time Delivery
- Qualified sales team
- Counterfeit Parts Prevention
- 100% Product Inspections
Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION
CAGE: 79RG9
JACKSONVILLE
, FL
, 32221-8130
UNITED STATES
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FAQs
Frequently asked questions for NSN 5310-00-003-6542
What is the NIIN of the NSN 5310-00-003-6542?
The National Item Identification Number (NIIN) of the NSN 5310-00-003-6542 is 00-003-6542
When the NSN 5310-00-003-6542 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, May 24, 1972
Does the NSN 5310-00-003-6542 contain any precious metals?
Does not contain precious metal
Does the NSN 5310-00-003-6542 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5310-00-003-6542?
No known electrostatic discharge
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