Lock Washer

K881557-13

(NSN) National Stock Number

5310-00-261-7718

Federal Supply Classification

5310 Nuts and Washers

Item Name Code

14218

Schedule B Code

7318210000

Summary

0.384 inches minimum and 0.398 inches maximum hole diameter, 0.500 inches nominal outside diameter, 0.022 inches nominal material thickness, steel corrosion resisting overall material, passivate overall surface treatment, flat internal teeth style designator

DAC	HCC	DMIL	RNCC
X	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	XX

Identification

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

INC	FIIG	Concept	Condition
14218	A022B0	1	1

Specifications

Hole Diameter

0.384 inches minimum and 0.398 inches maximum

Details

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

Outside Diameter

0.500 inches nominal

Details

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

Material Thickness

0.022 inches nominal

Details

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

Material

steel corrosion resisting overall

Details

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

Surface Treatment

passivate 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.

Style Designator

flat internal teeth

Details

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

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
1728-02	D9182	6	-	C	1	-	ZZ
236-1040P2	D9182	6	-	C	1	-	ZZ
8516067	18876	1	-	5	2	-	BD
9072408	18876	X	-	3	2	-	XX
8825429-10	49671	X	-	5	9	-	XX
04P215722	98738	1	-	7	2	-	SE
1728-02-00	78189	X	-	5	9	-	XX
1728-02-00-4102	78189	5	-	C	1	-	KE
1728-2	78189	X	-	5	9	-	XX
SMB501106-3	80063	5	-	3	2	-	CL
8825429-10	02734	X	-	5	9	-	XX
8836486	19203	1	-	5	1	-	BF
71-81949-35	09139	X	-	5	9	-	XX
1728-02-00-0541	79189	2	-	5	9	-	SE
236-1040P29	49956	X	-	3	2	-	XX
K881557-13	21921	X	-	5	9	-	XX

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

LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV LOCKHEED MARTIN

CAGE: 49671

ORLANDO , FL , 32825

UNITED STATES

View Products

FAQs

Frequently asked questions for NSN 5310-00-261-7718

What is the NIIN of the NSN 5310-00-261-7718?

The National Item Identification Number (NIIN) of the NSN 5310-00-261-7718 is 00-261-7718

When the NSN 5310-00-261-7718 was assigned to the Federal Catalog?

It was assigned 61 years ago, on Tue, Jan 1, 1963

Does the NSN 5310-00-261-7718 contain any precious metals?

Type/content is unknown

Does the NSN 5310-00-261-7718 contain any hazardous material?

No data in HMIRS

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