Home · FSC 5331 O-Ring · NSN 5331-01-527-3377

NSN 5331-01-527-3377 — O-Ring

NIIN 01-527-3377 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 5331-01-527-3377 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M; the primary is M83461/1-043. The unit of issue is EA and the FLIS list price is $15.10.

The U.S. government has bought this item 3 times on record, 1 of them in the last 24 months, most recently on September 22, 2026 for $358 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
M83461/1-043	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
M83461/1-043	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
SAE-AS83461/1	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
M83461/1-043	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 22, 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 22, 2026	Dbr Industries, Inc. 1K697			$358	Dla	SPE7M026P4641 » Award/Basic Package View
Apr 8, 2020	Blade Industrial Products Inc 1JYT1	31	$11.34		Dla	SPE5E820V4647
Nov 4, 2014	Seals & Packings, LLC 0XK26	161	$2.13		Dla	SPE5E815V0834

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 3 buys 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 M83461/1-043.

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

DLA management data

FLIS unit price: $15.10
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Shelf life code: Y
Effective: Oct 1, 2025

Item characteristics

Temp Rating: FAHRENHEIT -65.0 AND FAHRENHEIT 275.0
Cross-Sectional Height: INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073
Center Hole Diameter: INCHES MINIMUM 3.465 AND INCHES MAXIMUM 3.513
Hardness Rating: SHORE DUROMETER A MINIMUM 70.0 AND SHORE DUROMETER A MAXIMUM 80.0
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

Related stock numbers

Other NSNs filed under the same part numbers.

01-043-1419 · O-Ring
01-046-0628 · O-Ring
01-046-0629 · O-Ring
01-046-3299 · O-Ring
01-046-3300 · O-Ring
01-047-0435 · O-Ring
01-050-1538 · O-Ring
01-050-1539 · 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.