The Gasket, cataloged under National Stock Number 5330-00-833-8422, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-833-8422 |
| Primary Part Number | A554-377 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.030 INCHES NOMINAL IN |
| Hardness Rating | 25.0 SHORE DUROMETER A MINIMUM AND 30.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.625 INCHES NOMINAL IN |
| Aperture Diameter | 1.812 INCHES MINIMUM AND 1.843 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.312 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.140 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| A554-377 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| A554-377RAPCALL | L3 Technologies, Inc. Div L3 Keo (USA) |
| H554-1RBPC58 | L3 Technologies, Inc. Div L3 Keo (USA) |
NSN 5330-00-833-8422 is a Gasket, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-833-8422 has 3 manufacturer part numbers on file: A554-377 (L3 Technologies, Inc. Div L3 Keo), A554-377RAPCALL (L3 Technologies, Inc. Div L3 Keo), H554-1RBPC58 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for A554-377: Cross-Sectional Thickness: 0.030 INCHES NOMINAL IN; Hardness Rating: 25.0 SHORE DUROMETER A MINIMUM AND 30.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.