NSN 5325-00-282-5311, 5325002825311
Cancelled -> Replaced by 5340009649227

Federal Supply Classification: FSC 5325 - Fastening Devices
National Item Identification Number: NIIN 002825311
Codification Country: United States
Item Name Code: INC 07623
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 5325-00-282-5311

National Stock Number (NSN) 5325-00-282-5311, or NIIN 002825311, (ring,retaining) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5340009649227, 5340002816473.

There are 9 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers 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.

This NSN is unique to one weapons system.

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) 07623. [A RESILIENT METAL ITEM, CIRCULAR OR NEARLY CIRCULAR, WHICH IS DESIGNED TO BE INSERTED INTO AN INTERNAL OR EXTERNAL GROOVE AND RETAINED BY ITS OWN SPRING ACTION, OR IT MAY HAVE EXTERNAL PRONGS OR PROJECTIONS DESIGNED TO BE INSERTED INTO A HOLE AND RETAINED BY SPRING ACTION OF THE PRONGS WHICH GRIP BY IMBEDDING INTO THE MATERIAL. FOR ITEMS HAVING INTERNAL PRONGS WHICH PERFORM THE SAME FUNCTION, SEE PUSH ON NUT. IT IS USED TO KEEP AND/OR LOCK A PART(S) IN POSITION, AS A BALL BEARING ON A SHAFT OR IN A HOUSING. SEE ALSO CLIP, RETAINING AND PIN, LOCK. EXCLUDES:RING, CONNECTING, ROUND.]. 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 5325002825311 does not contain precious metals.

This NSN is associated to Schedule B 9606100000: press-fasteners, snap-fasteners & press-studs & parts therefor. The Schedule B End Use is listed as finished textile supplies. NAICS classification category 339993: fastener, button, needle, and pin manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CASEHARDENING INDICATOR: (AASG) NOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLE: (AAGR) RECTANGULAR
MAJOR THICKNESS: (ABMC) 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE
MATERIAL HARDNESS RATING: (ALME) 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
MATERIAL: (MATT) STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
OUTSIDE DIAMETER: (ABKV) 1.341 INCHES MINIMUM AND 1.366 INCHES MAXIMUM
RING STYLE: (ACXD) INTERNAL
USAGE DESIGN: (ALBY) INTERNAL
MATERIAL: (MATL) STEEL, FED STD 66, COMP 1066 OR STEEL, FED STD 66, COMP 1069 OR STEEL, FED STD 66, COMP 1070 OR STEEL, FED STD 66, COMP 1072 OR STEEL, FED STD 66, COMP 1074 OR STEEL, FED STD 66, COMP 1075 OR STEEL, FED STD 66, COMP 1078 OR STEEL, FED STD 66, COMP 1080 OR STEEL, FED STD 66, COMP 1084 OR STEEL, FED STD 66, COMP 1085 OR STEEL, FED STD 66, COMP 1086 OR STEEL, FED STD 66, COMP 1090
UNABLE TO DECODE: (MATL) UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE OR UNABLE TO DECODE