The O-Ring, cataloged under National Stock Number 5331-01-183-0987, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-183-0987 |
| Primary Part Number | M83461/1-442 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Outside Diameter | 7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN |
| Center Hole Diameter | 7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 442-7757 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP442-7757 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP568-442-4367-70 | Parco, Llc (USA) |
| M83461/1-442 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| M83461/1-442 | 3/9 Design control — primary reference U.S. Government activity |
| M83461/1-442 | 5/9 Secondary reference U.S. Government activity |
| 2-442E688-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| AMS-P-83461/1 | 5/1 Secondary reference Sae International Dba Sae International |
| SAE-AS83461/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2-442N304-75 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-P-83461/1 | 5/9 Secondary reference U.S. Government activity |
| M83248/1-442 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS28775-442 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-442 N756-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-442 N756-75 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| AMS-P-83461/1 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-183-0987 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-183-0987 has 4 manufacturer part numbers on file: 442-7757 (Parker Hannifin Corporation Div O-Ring Division), PRP442-7757 (Parker Hannifin Corporation Div O-Ring Division), PRP568-442-4367-70 (Parco, Llc), M83461/1-442 (Sae International Dba Sae International).
Key specifications for M83461/1-442: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Outside Diameter: 7.718 INCHES MINIMUM AND 7.832 INCHES MAXIMUM IN; Center Hole Diameter: 7.180 INCHES MINIMUM AND 7.270 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.
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.