The Gasket, cataloged under National Stock Number 5330-01-121-8348, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 13 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 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 | 5330-01-121-8348 |
| Primary Part Number | 42291 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-T-6841 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Width | 1.240 INCHES NOMINAL IN |
| Aperture Length | 5.475 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 6.050 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 0.725 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.281 INCHES NOMINAL IN |
| Material | CORK AND RUBBER SYNTHETIC AND COTTON AND ADHESIVE OVERALL |
| Hole Diameter | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.781 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 |
|---|---|
| 42291 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
NSN 5330-01-121-8348 is a Gasket, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-121-8348 has 1 manufacturer part number on file: 42291 (Setra Systems, Inc. Dba Gems Sensors).
3 possible matches (shared part number, not a government interchangeability claim): 5210-01-428-5542, 5120-01-430-6718, 2590-01-591-9166. Verify interchangeability with system specifications before substitution.
Key specifications for 42291: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-T-6841 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 6.625 INCHES NOMINAL IN. 13 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.