NSN 5325-01-270-2899, 5325012702899
RING,RETAINING

Federal Supply Classification: FSC 5325 - Fastening Devices
National Item Identification Number: NIIN 012702899
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.

Availability: Readily Available Qualified Suppliers: We have 1 qualified suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 5325-01-270-2899

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 5325-01-270-2899

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 5325-01-270-2899

National Stock Number (NSN) 5325-01-270-2899, or NIIN 012702899, (ring,retaining) was assigned January 1, 1988 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is 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) 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 5325012702899 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 Jul 01, 2025.

Technical Characteristics

CASEHARDENING INDICATOR: (AASG) NOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLE: (AAGR) DOUBLE OVAL
INSIDE DIAMETER: (AARX) 2.487 INCHES MINIMUM AND 2.512 INCHES MAXIMUM
MAJOR THICKNESS: (ABMC) 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
OUTSIDE DIAMETER: (ABKV) 2.803 INCHES MINIMUM AND 2.828 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) FED STD 66, COMP 1070 FED STD 1ST MATERIAL RESPONSE AND FED STD 66, COMP 1072 FED STD 2ND MATERIAL RESPONSE AND FED STD 66, COMP 1074 FED STD 3RD MATERIAL RESPONSE AND FED STD 66, COMP 1075 FED STD 4TH MATERIAL RESPONSE AND FED STD 66, COMP 1078 FED STD 5TH MATERIAL RESPONSE AND FED STD 66, COMP 1080 FED STD 6TH MATERIAL RESPONSE AND FED STD 66, COMP 1084 FED STD 7TH MATERIAL RESPONSE AND FED STD 66, COMP 1085 FED STD 8TH MATERIAL RESPONSE AND FED STD 66, COMP 1086 FED STD 9TH MATERIAL RESPONSE AND FED STD 66, COMP 1090 FED STD 10TH MATERIAL RESPONSE
MATERIAL HARDNESS RATING: (ALME) 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 73.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
MATERIAL: (MATT) 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 1085 OR STEEL COMP 1086 OR STEEL COMP 1090
RING STYLE: (ACXD) SPECIAL FLAT
STRENGTH RATING: (AWQD) 211000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE
USAGE DESIGN: (ALBY) INTERNAL
MATERIAL: (MATL) 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