The O-Ring, cataloged under National Stock Number 5331-01-527-1480, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-527-1480 |
| Primary Part Number | 0-12-1-28 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 14.7 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 595.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 0-12-1-28 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
| 112552000 FN 41 | Bird-Johnson Propeller Company, Llc (USA) |
NSN 5331-01-527-1480 is a O-Ring, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-527-1480 has 2 manufacturer part numbers on file: 0-12-1-28 (Bird-Johnson Propeller Company, Llc), 112552000 FN 41 (Bird-Johnson Propeller Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-656-2917. Verify interchangeability with system specifications before substitution.
Key specifications for 0-12-1-28: Cross-Sectional Height: 14.7 MILLIMETERS NOMINAL MM; Center Hole Diameter: 595.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: O-RING, FULLY MOLDED; End Item Identification: HUB ASSY, PORT & STBD. 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.