Home · NSN 01-012-4637

NSN 01-012-4637 — Ring,Retaining

NIIN 01-012-4637 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-012-4637 is the national stock number for a ring,retaining. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Truarc Company LLC Dba Waldes Truarc, Rotor Clip Company, Inc.; the primary is MS16631-4168. The unit of issue is EA and the FLIS list price is $38.80.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 3 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
MS16631-4168	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
N5002-168H	79136	Truarc Company LLC Dba Waldes Truarc	5 · Secondary reference	9 · Reference only
N5002-168H	07382	Rotor Clip Company, Inc.	5 · Secondary reference	1 · Not fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on MS16631-4168.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $38.80
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Casehardening Indicator: NOT CASE-HARDENED
Outside Diameter: INCHES MINIMUM 1.849 AND INCHES MAXIMUM 1.909
Minor Thickness: INCHES MINIMUM 0.045 AND INCHES MAXIMUM 0.047
Major Thickness: INCHES MINIMUM 0.059 AND INCHES MAXIMUM 0.065
Usage Design: INTERNAL
Material Hardness Rating: ROCKWELL C MINIMUM 44.0 AND ROCKWELL C MAXIMUM 51.0
Material: STEEL COMP 632
Material Document And Classification: ASSN STD SINGLE MATERIAL RESPONSE A-S 5520
Surface Treatment: PASSIVATE

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.