The O-Ring, cataloged under National Stock Number 5331-01-118-8529, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nw Propeller Operations, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-118-8529 |
| Primary Part Number | 434-15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Nw Propeller Operations, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 15.0 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 17.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER |
| 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 |
|---|---|
| 434-15 PRIMARY | Nw Propeller Operations, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 434-15 | 5/9 Secondary reference Star Forge Llc Dba Jorgensen Forge Div Jorgensen Forge |
| 901-WMEC-245-003 ITEM 38 | 5/9 Secondary reference Star Forge Llc Dba Jorgensen Forge Div Jorgensen Forge |
| 0R434-15 | 5/9 Secondary reference Star Forge Llc Dba Jorgensen Forge Div Jorgensen Forge |
NSN 5331-01-118-8529 is a O-Ring, manufactured by Nw Propeller Operations, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-118-8529 has 1 manufacturer part number on file: 434-15 (Nw Propeller Operations, Inc.).
5 possible matches (shared part number, not a government interchangeability claim): 5950-01-210-3994, 5998-01-343-9216, 5963-01-383-8199. Verify interchangeability with system specifications before substitution.
Key specifications for 434-15: Cross-Sectional Height: 15.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 17.0 MILLIMETERS NOMINAL MM; End Item Identification: CONTROLLABLE PITCH PROPELLER ONBOARD 270 FT WMEC CLASS COAST GUARD VESSELS FT; Material: RUBBER. 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.