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NSN 5310-00-550-3556, 5310005503556
WASHER,LOCK

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 005503556
Codification Country
United States
Item Name Code
INC 14218
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 5310-00-550-3556

National Stock Number (NSN) 5310-00-550-3556, or NIIN 005503556, (washer,lock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 14218. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310005503556 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

HOLE DIAMETER
(AAUB) 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.965 INCHES MINIMUM AND 0.985 INCHES MAXIMUM
MATERIAL THICKNESS
(ABPX) 0.040 INCHES NOMINAL
STYLE DESIGNATOR
(STYL) FLAT EXTERNAL AND INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-Z-325,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ZINC OVERALL

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