Concave Washer

53488W-1032

(NSN) National Stock Number

5310-00-083-9303

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

15930

Schedule B Code

7318220000

Summary

0.252 inches minimum and 0.258 inches maximum hole diameter, 0.235 inches minimum and 0.240 inches maximum radius, 0.375 inches minimum and 0.385 inches maximum outside diameter, 0.040 inches minimum and 0.050 inches maximum recess depth, 0.078 inches minimum and 0.088 inches maximum material thickness, 38.0 rockwell c minimum and 44.0 rockwell c maximum hardness rating

DAC	HCC	DMIL	RNCC
A	-	-	5

RNVC	SADC	MSDS	RNAAC
2	-	-	KZ

Identification

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

INC	FIIG	Concept	Condition
15930	A022B0	1	1

Specifications

Hole Diameter

0.252 inches minimum and 0.258 inches maximum

Details

The length of a straight line which passes through the center of a hole,and terminates at the circumference.

Radius

0.235 inches minimum and 0.240 inches maximum

Details

The distance from the centerline to the axis of the item.

Outside Diameter

0.375 inches minimum and 0.385 inches maximum

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

Recess Depth

0.040 inches minimum and 0.050 inches maximum

Details

A measurement between specified points on the recess,in distinction from height.

Material Thickness

0.078 inches minimum and 0.088 inches maximum

Details

A measurement of the smallest dimension of the material,in distinction from length or width.

Hardness Rating

38.0 rockwell c minimum and 44.0 rockwell c maximum

Details

A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

Surface Finish

63.0 microinches counterbore wall

Details

Designates the specific surface roughness rating,representing the arithmetic average deviation of the surface from the meanline in profile.

Heat Treatment

as fabricated

Details

A combination of timed heating and cooling operations applied for the purpose of annealing or hardening the item.

Material

steel comp 8740 overall or steel comp 8630 overall or steel comp 4130 overall or steel comp 4027 overall

Details

The chemical compound or mechanical mixture properties of which the item is fabricated.

Material Document And Classification

mil-s-6049 mil spec 1st material response overall or mil-s-6050 mil spec 2nd material response overall or mil-s-6758 mil spec 3rd material response overall or mil-s-18729 mil spec 3rd material response overall or astm a322 assn std 4th 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 and chromate 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

qq-p-416,ty 2,cl 3 fed 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

concave

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

Specification/Standard Data

81205-bacw10au manufacturers standard

Details

The document designator of the specification or standard which established the item of supply.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
K19701P3	R1120	6	-	5	2	-	ZG
TLN1020L3W	C4293	3	-	5	2	-	ZG
TLN1020L3W	59563	5	-	5	2	-	ZZ
TLN1020L3W	17446	5	-	3	2	-	ZZ
K19701P3	15653	A	-	5	2	-	KZ
TLN1020L3W	27624	A	-	5	2	-	KZ
AS46-3	10630	A	-	5	2	-	KZ
3M348L3	80539	5	-	5	2	-	ZZ
TLN1020L3W	80539	6	-	5	9	-	ZG
TLN1020L3W	92215	6	-	5	2	-	ZG
TLN1020L3W	97928	6	-	5	9	-	ZG
3M348L3	76301	1	-	7	2	-	ZG
6073-0	72962	6	-	5	9	-	ZG
TLN1020L3W	56878	A	-	5	2	-	KZ
BACW10AU3	81205	A	-	3	2	-	KZ

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
N	U	-	-

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

SPS TECHNOLOGIES, LLC DIV FASTENERS

CAGE: 56878

JENKINTOWN , PA , 19046-2630

UNITED STATES

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FAQs

Frequently asked questions for NSN 5310-00-083-9303

What is the NIIN of the NSN 5310-00-083-9303?

The National Item Identification Number (NIIN) of the NSN 5310-00-083-9303 is 00-083-9303

When the NSN 5310-00-083-9303 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, May 9, 1973

Does the NSN 5310-00-083-9303 contain any precious metals?

Type/content is unknown

Does the NSN 5310-00-083-9303 contain any hazardous material?

No data in HMIRS

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