The Gasket, cataloged under National Stock Number 5330-01-589-7503, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Trinity Industries Inc Hackney-Brighton Div. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-589-7503 |
| Primary Part Number | 92991 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Trinity Industries Inc Hackney-Brighton Div |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.875 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 23.250 INCHES NOMINAL IN |
| Aperture Diameter | 22.000 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-589-7503 is a Gasket, manufactured by Trinity Industries Inc Hackney-Brighton Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-589-7503 has 2 manufacturer part numbers on file: 92991 (Back Creek Mar Suppliers Ltd), 92991 (Trinity Industries Inc Hackney-Brighton Div).
Key specifications for 92991: Cross-Sectional Thickness: 0.875 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 23.250 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.