The O-Ring, cataloged under National Stock Number 5331-00-420-1956, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Propulsion Systems, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 5331-00-420-1956 |
| Primary Part Number | 15894APC15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Propulsion Systems, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.607 INCHES MINIMUM AND 0.617 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 |
|---|---|
| 15894APC15 PRIMARY | Propulsion Systems, Inc. (USA) |
| R119 | Propulsion Systems, Inc. (USA) |
NSN 5331-00-420-1956 is a O-Ring, manufactured by Propulsion Systems, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-420-1956 has 2 manufacturer part numbers on file: 15894APC15 (Propulsion Systems, Inc.), R119 (Propulsion Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-175-8039, 5365-01-207-7463. Verify interchangeability with system specifications before substitution.
Key specifications for 15894APC15: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 0.607 INCHES MINIMUM AND 0.617 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.