The O-Ring, cataloged under National Stock Number 5331-00-925-7836, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-925-7836 |
| Primary Part Number | S8057AK164 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Cross-Sectional Height | 0.065 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.060 INCHES MINIMUM AND 4.234 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 |
|---|---|
| S8057AK164 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| S8057AK164 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| S8057AK164 | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
| S8057AK164 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| S8057AK164 | 5/9 Secondary reference Proponent, Inc. Dba Proponent |
| S8057Z164 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5331-00-925-7836 is a O-Ring, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-925-7836 has 4 manufacturer part numbers on file: S8057AK164 (Parker Hannifin Corporation Div O-Ring Division), S8057AK164 (Honeywell International Inc. Div Aerospace - Torrance), S8057AK164 (Freudenberg-Nok General Partnership Dba International Seal Co Inc), S8057AK164 (Parco, Llc).
Key specifications for S8057AK164: Cross-Sectional Height: 0.065 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 4.060 INCHES MINIMUM AND 4.234 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 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.