The O-Ring, cataloged under National Stock Number 5331-00-580-5056, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 36 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-580-5056 |
| Primary Part Number | MS28775028 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | CANCELLED |
| Center Hole Diameter | 1.358 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 1.485 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-028 | Aviaquip Holdings Pty Ltd (AUS) |
| MS28775-028 | Bae Systems Land & Armaments L.p. (USA) |
| MS28775-028 | Liebherr-Aerospace Lindenberg Gmbh (DEU) |
| 700-028-355C | Carver Pump Company (USA) |
| 5331PL0641831 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 230079022 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| PRP568-028-4067-70 | Parco, Llc (USA) |
| 25704-281230-04-0 | Baainbw Dokumente Ohne Nutzungsrechte Des Baainbw Fur Beschaffungszwecke (DEU) |
| PO2066 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 315339 | Safran Electrical & Power Chatou SAS (FRA) |
| N304-75-028 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 807062-50PH | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5321895 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| 876435-00 | Defense Reduction Agency (USA) |
| WA178G03465AU4A | Cimd (centre D'identification Des Materiels De La Defense) (FRA) |
| MIL-PRF-25732 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28784-28 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 5321895 | Embraer S.a. (BRA) |
| P-ZLAB-0052563 | Madzeal SL (ESP) |
NSN 5331-00-580-5056 is a O-Ring, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-580-5056 has 50 cross-referenced part numbers: MS28775-028 (Aviaquip Holdings Pty Ltd), MS28775-028 (Bae Systems Land & Armaments L.p.), MS28775-028 (Liebherr-Aerospace Lindenberg Gmbh), 700-028-355C (Carver Pump Company), 5331PL0641831 (Jednolity Indeks Materialowy - Uniform Material Index) and 45 more.
There are 6 known substitutes for 5331-00-580-5056: 5331-00-292-0570, 5331-00-406-1073, 5331-00-531-3309 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775028: Center Hole Diameter: 1.358 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 1.485 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-580-5056 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.