The Gasket, cataloged under National Stock Number 5330-00-400-8143, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 20 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 | 5330-00-400-8143 |
| Primary Part Number | 2661865 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Temp Rating | -25.0 CELSIUS AND 100.0 CELSIUS DEGC |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Inside Corner Radius | 0.120 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.177 INCHES NOMINAL IN |
| Maximum Pressure Rating | 15.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | E515-8 FSCM 02697 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Width | 8.310 INCHES NOMINAL IN |
| Aperture Length | 8.437 INCHES NOMINAL IN |
| Bolt Hole Quantity | 28 |
| Center to Center Distance Between Bolt Holes Along Length | 1.339 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | CHROMATE OVERALL |
| Center to Center Distance Between Bolt Holes Along Width | 1.393 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.380 INCHES NOMINAL IN |
| Outside Corner Radius | 0.120 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM OVERALL |
| Hole Diameter | 0.228 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.380 INCHES NOMINAL 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 |
|---|---|
| 2661865 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5330-00-400-8143 is a Gasket, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-400-8143 has 1 manufacturer part number on file: 2661865 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 2915-01-136-4319. Verify interchangeability with system specifications before substitution.
Key specifications for 2661865: Temp Rating: -25.0 CELSIUS AND 100.0 CELSIUS DEGC; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Inside Corner Radius: 0.120 INCHES NOMINAL IN. 20 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.