Home · FSC 5331 O-Ring · NSN 5331-01-278-0490

NSN 5331-01-278-0490 — O-Ring

NIIN 01-278-0490 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-01-278-0490 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 4 manufacturer part numbers from 6 CAGE codes, including Parker-Hannifin Corp, Parker Hannifin Gmbh O-Ring Division, Society Of Automotive Engineers Inc; the primary is 2-122 V747-75. The unit of issue is EA and the FLIS list price is $0.85.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 1, 2026 for $420 from Dbr Industries, Inc.. No seller has confirmed stock of it here in the last 30 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
V0747 2-122	02697	Parker-Hannifin Corp	3 · Design control (vendor)	1 · Not fully interchangeable
2-122 V747-75	C0308	Parker Hannifin Gmbh O-Ring Division	5 · Secondary reference	9 · Reference only
2-122 V747-75	02697	Parker-Hannifin Corp	5 · Secondary reference	9 · Reference only
AS3085-122	81343	Society Of Automotive Engineers Inc	5 · Secondary reference	9 · Reference only
AS3085-122	0U583	Sae International	5 · Secondary reference	1 · Not fully interchangeable
AS3085-122	A0126	Leonardo Spa Helicopters Division - Production Site	5 · Secondary reference	2 · Fully interchangeable
5331PL1147612	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 1, 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 1, 2026	Dbr Industries, Inc. 1K697			$420	Dla	SPE7L126V206C

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 2-122 V747-75.

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

DLA management data

FLIS unit price: $0.85
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Temp Rating: CELSIUS -5.0 AND CELSIUS 205.0
Cross-Sectional Height: INCHES MINIMUM 0.100 AND INCHES MAXIMUM 0.106
Center Hole Diameter: INCHES MINIMUM 1.102 AND INCHES MAXIMUM 1.122
End Item Identification: 2840-99-645-9394;2840-99-645-9395;2840-99-766-0507;2840-99-766-0508;MODEL RB199MK101/103/104;SIMILAR TO NSN 5330-01-078-5130
Hardness Rating: SHORE DUROMETER A MINIMUM 70.0 AND SHORE DUROMETER A MAXIMUM 80.0
Special Features: O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE
Color: BROWN
Material: RUBBER FLUOROCARBON CLASS FPM
Material Document And Classification: ASSN STD SINGLE MATERIAL RESPONSE A-S7280 OR ASSN STD SINGLE MATERIAL RESPONSE AST- D2000 TO SAE J200
Reference Number Differentiating Characteristics: AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199

Related stock numbers

Other NSNs filed under the same part numbers.

00-167-5111 · O-Ring
01-463-8723 · 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.