The Gasket, cataloged under National Stock Number 5330-00-291-4089, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 10 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-291-4089 |
| Primary Part Number | 81516PC11563A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Side Radius From Gasket Center | 1.500 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 2.188 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 3.500 INCHES NOMINAL IN |
| Outside Corner Radius | 0.469 INCHES NOMINAL IN |
| Material | CORK OVERALL |
| Hole Diameter | 0.531 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 |
|---|---|
| 81516PC11563A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 11563A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| A6104PC11563A | 5/9 Secondary reference Brinkley Technology Group Llc Dba Hercules Manufacturing |
| 85111S41-43PC11563A | 5/9 Secondary reference U.S. Government activity |
| 11563A | 5/9 Secondary reference Hercules Engine Co Inc |
| A6104PC11563A | 5/9 Secondary reference Hercules Engine Co Inc |
| 85111S41-6PC11563A | 5/9 Secondary reference U.S. Government activity |
| 81516PC11563A | 5/9 Secondary reference Hercules Engine Co Inc |
| S4105-422209PC160 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-291-4089 is a Gasket, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-291-4089 has 2 manufacturer part numbers on file: 81516PC11563A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 11563A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-493-1967. Verify interchangeability with system specifications before substitution.
Key specifications for 81516PC11563A: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Side Radius From Gasket Center: 1.500 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.