Home · FSC 5331 O-Ring · NSN 5331-00-301-5290

NSN 5331-00-301-5290 — O-Ring

NIIN 00-301-5290 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-00-301-5290 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 6 CAGE codes, including Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M, Caes Systems LLC, Parker-Hannifin Corp; the primary is 1452810. The unit of issue is EA and the FLIS list price is $0.68.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 24, 2026 for $1,118 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 6 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
M25988/1-029	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable
MIL-DTL-25988	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	4	1 · Not fully interchangeable
1452810-1	93346	Caes Systems LLC	5 · Secondary reference	1 · Not fully interchangeable
2-029L1120-70	02697	Parker-Hannifin Corp	5 · Secondary reference	1 · Not fully interchangeable
M25988/1-029	001JK	Embraer S.A.	5 · Secondary reference	2 · Fully interchangeable
MIL-R-25988	81349	Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
5331PL2130934	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only
M25988/1-029	S7549	Aerospace Industrial Development Corporation	C	1 · Not fully interchangeable
1452810	93346	Caes Systems LLC	D	9 · Reference only

Government demand

Nothing open right now. Last government buy Aug 24, 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
Aug 24, 2026	Dbr Industries, Inc. 1K697			$1,118	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 1452810.

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

DLA management data

FLIS unit price: $0.68
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Outside Diameter: INCHES MINIMUM 1.610 AND INCHES MAXIMUM 1.648
Temp Rating: FAHRENHEIT -100.0 AND FAHRENHEIT 350.0
Cross-Sectional Height: INCHES MINIMUM 0.067 AND INCHES MAXIMUM 0.073
Center Hole Diameter: INCHES MINIMUM 1.476 AND INCHES MAXIMUM 1.502
Elongation Percentage: MAXIMUM 125
Hardness Rating: SHORE DUROMETER A NOMINAL 70.0
Material: RUBBER FLUOROSILICONE CLASS FQ

Related stock numbers

Other NSNs filed under the same part numbers.

00-179-9443 · O-Ring
00-179-9444 · O-Ring
00-184-4064 · O-Ring
00-220-5211 · O-Ring
00-222-0051 · Rubber Sheet,Solid
00-231-7701 · O-Ring
00-253-4844 · O-Ring
00-253-5342 · 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.