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NSN 5310-00-275-0575, 5310002750575
Cancelled -> Replaced by 5310001435570

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002750575
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 5310-00-275-0575

National Stock Number (NSN) 5310-00-275-0575, or NIIN 002750575, (washer,lock) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5310001435570.

There is only one manufacturer part number associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 02, 2006, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

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 5310002750575 contains an unknown precious metal.

This NSN is associated to Schedule B 7318210000: spring washers and other lock washers, iron or steel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

MATERIAL
(MATT) STEEL COMP 1060 OVERALL OR STEEL COMP 1064 OVERALL OR STEEL COMP 1065 OVERALL
HARDNESS RATING
(CQFM) 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
HOLE DIAMETER
(AAUB) 0.137 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
OUTSIDE DIAMETER
(ABKV) 0.285 INCHES MINIMUM AND 0.295 INCHES MAXIMUM
OVERALL HEIGHT
(ABKW) 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS
(ABPX) 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
MATERIAL
(MATT) STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OVERALL
STYLE DESIGNATOR
(STYL) SPLIT HELICAL-RIGHT HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

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