The Gasket, cataloged under National Stock Number 5330-00-640-9437, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-640-9437 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | PRIMARY HEAT EXCHANGER AIR CONDITIONING PACK,DUCT INSTALLATION,AIRCRAFT |
| Cross-Sectional Thickness | 0.060 INCHES NOMINAL IN |
| Inside Corner Radius | 0.620 INCHES NOMINAL IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 8.830 INCHES NOMINAL IN |
| Aperture Length | 35.770 INCHES NOMINAL IN |
| Bolt Hole Quantity | 46 |
| Center to Center Distance Between Bolt Holes Along Length | 1.997 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.747 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 1.510 INCHES NOMINAL IN |
| Outside Corner Radius | 1.520 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.218 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 1.510 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 |
| Reference | Meaning |
|---|---|
| 5-89376 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-640-9437 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-640-9437: FSC Application Data: PRIMARY HEAT EXCHANGER AIR CONDITIONING PACK,DUCT INSTALLATION,AIRCRAFT; Cross-Sectional Thickness: 0.060 INCHES NOMINAL IN; Inside Corner Radius: 0.620 INCHES NOMINAL IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL. 16 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.