The O-Ring, cataloged under National Stock Number 5331-01-701-8728, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kawasaki Precision Machinery (u.s.a.), Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-701-8728 |
| Primary Part Number | P0RKP8W |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kawasaki Precision Machinery (u.s.a.), Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| P0RKP8W PRIMARY | Kawasaki Precision Machinery (u.s.a.), Inc. (USA) |
| Reference | Meaning |
|---|---|
| 02446-0353 | D/9 Drawing number reference only Kawasaki Precision Machinery (u.s.a.), Inc. |
| 02446-0353 REV- NO.706 | 5/9 Secondary reference Kawasaki Precision Machinery (u.s.a.), Inc. |
NSN 5331-01-701-8728 is a O-Ring, manufactured by Kawasaki Precision Machinery (u.s.a.), Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-701-8728 has 1 manufacturer part number on file: P0RKP8W (Kawasaki Precision Machinery (u.s.a.), Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-701-8737, 5360-01-701-8740, 5331-01-701-9071. Verify interchangeability with system specifications before substitution.
Key specifications for P0RKP8W: Part Name Assigned by Controlling Agency: SQUARE-RING. 0 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.