Home · NSN 00-663-2379

NSN 00-663-2379 — Ring,Retaining

NIIN 00-663-2379 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-663-2379 is the national stock number for a ring,retaining. It cross-references to 10 manufacturer part numbers from 6 CAGE codes, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Truarc Co LLC; the primary is 3101-66-ST-CD. The unit of issue is EA and the FLIS list price is $5.17.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 6 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
MS16628-1066	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
MIL-R-21248 TY 11 CL 2	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
3101-66-ST-CD	97464	Truarc Co LLC	5 · Secondary reference	9 · Reference only
5101-12-S-MD	79136	Truarc Company LLC Dba Waldes Truarc	5 · Secondary reference	9 · Reference only
5101-66MD	79136	Truarc Company LLC Dba Waldes Truarc	5 · Secondary reference	9 · Reference only
77196-03	35351	Ge Aviation Systems LLC	5 · Secondary reference	9 · Reference only
CL21A7591-186	15280	Northrop Grumman Systems Corporation Div Es Defensive Systems Division	5 · Secondary reference	9 · Reference only
MS16628-66	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	E	8
N1401-66AS	79136	Truarc Company LLC Dba Waldes Truarc	E	8
N1401-66CD	79136	Truarc Company LLC Dba Waldes Truarc	E	8

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 3101-66-ST-CD.

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

DLA management data

FLIS unit price: $5.17
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Inside Diameter: INCHES NOMINAL 0.621
Casehardening Indicator: NOT CASE-HARDENED
Major Thickness: INCHES NOMINAL 0.035
Usage Design: EXTERNAL
Material Hardness Rating: ROCKWELL SUPERFICIAL 30-N MINIMUM 66.0 AND ROCKWELL SUPERFICIAL 30-N MAXIMUM 71.0
End Play Takeup: INCHES MAXIMUM 0.020
Material: STEEL
Material Document And Classification: FED STD SINGLE MATERIAL RESPONSE FED STD 66 CLASS FS 1066 TO 1090
Surface Treatment: CADMIUM AND CHROMATE
Nondefinitive Spec/Std Data: REFERENCE NUMBER -S16628-1066

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.