Home · NSN 00-055-4976

NSN 00-055-4976 — O-Ring

NIIN 00-055-4976 · unit of issue EA · AAC Y (terminal item, replaced) · source of supply SMS

NSN 00-055-4976 is the national stock number for an o-ring. It cross-references to 11 manufacturer part numbers from 10 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Parker-Hannifin Corporation; the primary is 1446-444. The unit of issue is EA and the FLIS list price is $2.93.

No government purchase of this stock number is on our record yet. 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 10 CAGEs

open solicitations, all agencies

government buys 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
MS28775-444	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
MS28775-444	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
SAE-AS28775	0U583	Sae International	3 · Design control (vendor)	1 · Not fully interchangeable
1446-444	91265	Parker-Hannifin Corporation	5 · Secondary reference	2 · Fully interchangeable
2-444 N304-75	C0308	Parker Hannifin Gmbh O-Ring Division	5 · Secondary reference	9 · Reference only
2-444 N304-75	02697	Parker-Hannifin Corp	5 · Secondary reference	9 · Reference only
4067-70-444	77308	Parco, LLC	5 · Secondary reference	2 · Fully interchangeable
7377-444	25184	Parker Hannifin Corporation Div O-Ring Division	5 · Secondary reference	2 · Fully interchangeable
MS28775-444	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
N0304 2-444	02697	Parker-Hannifin Corp	5 · Secondary reference	2 · Fully interchangeable
N304-75-444	02697	Parker-Hannifin Corp	5 · Secondary reference	9 · Reference only
PH8026-444	70106	Acushnet Rubber Company, Inc.	5 · Secondary reference	2 · Fully interchangeable
PRP568-444-4067-70	77308	Parco, LLC	5 · Secondary reference	2 · Fully interchangeable
SR 832-75-444	95272	Stillman Seal Corporation	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

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 1446-444.

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

DLA management data

FLIS unit price: $2.93
Unit of issue: EA
Acquisition advice: Y — Terminal item, replaced
Source of supply: SMS
Shelf life code: Y
Effective: Oct 1, 2025

Item characteristics

Outside Diameter: INCHES MINIMUM 8.218 AND INCHES MAXIMUM 8.332
Cross-Sectional Height: INCHES MINIMUM 0.269 AND INCHES MAXIMUM 0.281
Center Hole Diameter: INCHES MINIMUM 7.695 AND INCHES MAXIMUM 7.755
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

Related stock numbers

Other NSNs filed under the same part numbers.

00-003-6690 · O-Ring
00-046-4601 · O-Ring
00-057-2028 · O-Ring
00-057-2029 · O-Ring
00-063-0919 · O-Ring
00-068-9528 · O-Ring
00-079-6496 · O-Ring
00-104-7620 · 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.