The Gasket, cataloged under National Stock Number 5330-00-441-9799, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 17 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-441-9799 |
| Primary Part Number | 40239-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Inside Corner Inverted Radius | 0.312 INCHES NOMINAL IN |
| Hardness Rating | 50.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 3.062 INCHES NOMINAL IN |
| Elongation Percentage | 300 MAXIMUM |
| Aperture Length | 5.062 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 4.880 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.880 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.279 INCHES NOMINAL IN |
| Outside Corner Radius | 0.281 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.279 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 |
|---|---|
| 40239-1 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
NSN 5330-00-441-9799 is a Gasket, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-441-9799 has 1 manufacturer part number on file: 40239-1 (The Dewey Electronics Corporation Div Pitometer Log Division).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-203-4583, 2590-01-314-9254. Verify interchangeability with system specifications before substitution.
Key specifications for 40239-1: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Inside Corner Inverted Radius: 0.312 INCHES NOMINAL IN; Hardness Rating: 50.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: NON-CIRCULAR. 17 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.