The Gasket, cataloged under National Stock Number 5330-00-810-2056, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-810-2056 |
| Primary Part Number | 131681-01 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| FSC Application Data | ADAPTER,COMPASS NAVIGATIONAL,AIRCRAFT |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-S-6855,CL 3,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.250 INCHES NOMINAL IN |
| Aperture Diameter | 3.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 3.875 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL |
| Hole Diameter | 0.141 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 |
|---|---|
| 131681-01 PRIMARY | Ge Aviation Systems Llc (USA) |
NSN 5330-00-810-2056 is a Gasket, manufactured by Ge Aviation Systems Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-810-2056 has 1 manufacturer part number on file: 131681-01 (Ge Aviation Systems Llc).
Key specifications for 131681-01: FSC Application Data: ADAPTER,COMPASS NAVIGATIONAL,AIRCRAFT; Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: CIRCULAR. 12 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.