The Gasket, cataloged under National Stock Number 5330-01-123-1981, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Hilliard Corp. Government technical data includes 7 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. 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 | 5330-01-123-1981 |
| Primary Part Number | FB-3090 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Hilliard Corp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.094 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | VELLUMID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 18.875 INCHES NOMINAL IN |
| Aperture Diameter | 17.000 INCHES NOMINAL IN |
| Material | PAPER AND GLUE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FB-3090 PRIMARY | The Hilliard Corp (USA) |
NSN 5330-01-123-1981 is a Gasket, manufactured by The Hilliard Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-123-1981 has 1 manufacturer part number on file: FB-3090 (The Hilliard Corp).
1 possible match (shared part number, not a government interchangeability claim): 5925-01-325-1989. Verify interchangeability with system specifications before substitution.
Key specifications for FB-3090: Cross-Sectional Thickness: 0.094 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: VELLUMID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.