Home · FSC 5331 O-Ring · NSN 5331-01-476-4295

NSN 5331-01-476-4295 — O-Ring

NIIN 01-476-4295 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5331-01-476-4295 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 7 manufacturer part numbers from 3 CAGE codes, including Sae International, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Zf Industrieantriebe Witten Gmbh; the primary is AS3581-229CP. The unit of issue is EA and the FLIS list price is $3.08.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 10, 2026 for $4,847 from Dbr Industries, Inc.. 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 3 CAGEs

open solicitations, all agencies

government buy 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
M83248/2-229	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
SAE-AS83248/2	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
AS3581-229CP	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	1 · Not fully interchangeable
M83248	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
M83248/2-229	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
M83248/2-229CP	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
MIL-R-83248/2	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
MIL-R-83248/2-229	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
M83248/2-229CP	D9182	Zf Industrieantriebe Witten Gmbh	C	1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 10, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 10, 2026	Dbr Industries, Inc. 1K697			$4,847	Dla	SPE7LX26D0003

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

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 AS3581-229CP.

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

DLA management data

FLIS unit price: $3.08
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Jan 1, 2026

Item characteristics

Cross-Sectional Height: INCHES MINIMUM 0.135 AND INCHES MAXIMUM 0.143
Center Hole Diameter: INCHES MINIMUM 2.339 AND INCHES MAXIMUM 2.379
Hardness Rating: SHORE DUROMETER A NOMINAL 90.0
Criticality Code Justification: ZZZW
Special Features: OXYGEN CLEAN
Material: RUBBER FLUOROCARBON CLASS FPM
Material Document And Classification: MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-83248 TO 2
Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D

Related stock numbers

Other NSNs filed under the same part numbers.

00-106-6276 · O-Ring
00-165-1980 · O-Ring
00-166-1079 · O-Ring
00-166-1090 · O-Ring
00-166-1094 · O-Ring
00-166-1095 · O-Ring
00-166-1104 · O-Ring
00-167-5174 · O-Ring

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.