Home · FSC 5331 O-Ring · NSN 5331-01-253-0850

NSN 5331-01-253-0850 — O-Ring

NIIN 01-253-0850 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-01-253-0850 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 5 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Marotta Controls Inc; the primary is 4410181-9080. The unit of issue is EA and the FLIS list price is $1.78.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 14, 2026 for $2,362 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 5 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
AS3208-08CP	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
AS3208-08CP	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
4410181-9080	99657	Marotta Controls Inc	5 · Secondary reference	9 · Reference only
4410181-9080CP	03950	Naval Inventory Control Point Mechanicsburg	5 · Secondary reference	2 · Fully interchangeable
AS3208-08	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
M83248/1-908	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
M83248/1-908CP	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	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 14, 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 14, 2026	Dbr Industries, Inc. 1K697			$2,362	Dla	SPE7M326V4567 » Award/Basic Package View

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 4410181-9080.

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

DLA management data

FLIS unit price: $1.78
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Shelf life code: Y
Effective: Oct 1, 2025

Item characteristics

Outside Diameter: INCHES NOMINAL 0.818
Temp Rating: FAHRENHEIT -20.0 AND FAHRENHEIT 400.0
Cross-Sectional Height: INCHES MINIMUM 0.084 AND INCHES MAXIMUM 0.090
Center Hole Diameter: INCHES MINIMUM 0.637 AND INCHES MAXIMUM 0.651
Elongation Percentage: MAXIMUM 125
Hardness Rating: SHORE DUROMETER A NOMINAL 75.0
Criticality Code Justification: ZZZW
Material: RUBBER FLUOROCARBON CLASS FPM
Material Document And Classification: MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-83248 TYE 1, CLASS 1
Proprietary Characteristics: PACS
Departure From Cited Document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D

Related stock numbers

Other NSNs filed under the same part numbers.

00-005-0482 · O-Ring
00-020-0105 · O-Ring
00-045-5726 · O-Ring
00-099-7818 · O-Ring
00-103-1987 · O-Ring
00-163-1265 · O-Ring
00-165-1938 · O-Ring
00-165-1954 · 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.