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NSN 5325-00-426-7521, 5325004267521
RING,RETAINING

Federal Supply Classification
FSC 5325 - Fastening Devices
National Item Identification Number
NIIN 004267521
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 5325-00-426-7521

National Stock Number (NSN) 5325-00-426-7521, or NIIN 004267521, (ring,retaining) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 18, 2019, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

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 5325004267521 contains an unknown precious metal.

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 .


Technical Characteristics

MATERIAL
(MATT) STEEL ASTM A576 COMP 1060
MATERIAL
(MATL) STEEL ASTM A576 COMP 1060
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
CASEHARDENING INDICATOR
(AASG) NOT CASEHARDENED
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
END STYLE
(ABQK) D SHAP BELOW INSIDE PERIPHERY
INSIDE DIAMETER
(AARX) 4.125 INCHES NOMINAL
MAJOR THICKNESS
(ABMC) 0.093 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 4.496 INCHES MINIMUM AND 4.566 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A576 COMP 1060 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL HARDNESS RATING
(ALME) 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
MATERIAL
(MATT) STEEL COMP 1060
RING STYLE
(ACXD) STRAIGHT GAP
USAGE DESIGN
(ALBY) INTERNAL

Manufacturer Part Numbers

16343

RNCC
5
RNVC
9
35573

RNCC
3
RNVC
2
35573

RNCC
5
RNVC
9
12366628

RNCC
3
RNVC
2

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