The Gasket, cataloged under National Stock Number 5330-01-440-7348, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Dynalec Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-440-7348 |
| Primary Part Number | 4087-55 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-6130, CLOSED CELL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 2.875 INCHES NOMINAL IN |
| Aperture Length | 5.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Center to Center Distance Between Bolt Holes Along Length | 1.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Material | RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.187 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 |
|---|---|
| 4087-55 | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| 004087-055 | 5/9 Secondary reference Dynalec Corporation |
| 4434 ITEM NO. 5 | 3/9 Design control — primary reference U.S. Government activity |
| 4087-55 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-440-7348 is a Gasket, manufactured by Dynalec Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-440-7348 has 1 manufacturer part number on file: 4087-55 (Dynalec Corporation).
Key specifications for 4087-55: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-6130, CLOSED CELL MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 6.500 INCHES NOMINAL IN. 11 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.