The O-Ring, cataloged under National Stock Number 5331-00-808-7612, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-808-7612 |
| Primary Part Number | MS28775-131 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 1.859 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS28775-131 PRIMARY | Sae International Dba Sae International (USA) |
| MS28775-131 | Bae Systems Land & Armaments L.p. (USA) |
| PRP568-131-4067-70 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| ASC1391100 | 5/9 Secondary reference Asc Pty Ltd |
| 2533405-131 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AS568A-131MILP2 5732 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-131 N304-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 5330008087612 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS28775-131 | 5/9 Secondary reference U.S. Government activity |
| 5331PL0809486 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| SAE-AS28775 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 10163333 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2-131 N304-75 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 4400171-1310 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS28775-131 | 5/9 Secondary reference U.S. Government activity |
| V1D10197PC19 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 311-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| M83248/2-146 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-00-808-7612 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-00-808-7612 has 3 manufacturer part numbers on file: MS28775-131 (Sae International Dba Sae International), MS28775-131 (Bae Systems Land & Armaments L.p.), PRP568-131-4067-70 (Parco, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5331-00-913-8842, 5331-01-160-2086, 5331-01-698-9884. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-131: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 1.859 INCHES MINIMUM AND 1.901 INCHES MAXIMUM IN; Center Hole Diameter: 1.664 INCHES MINIMUM AND 1.684 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5331-00-808-7612 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.