The Gasket, cataloged under National Stock Number 5330-01-042-8245, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-042-8245 |
| Primary Part Number | 16637 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.120 INCHES NOMINAL IN |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Aperture Diameter | 0.440 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| 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 |
|---|---|
| 16637 PRIMARY | Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (USA) |
| Reference | Meaning |
|---|---|
| 16637 | 3/9 Design control — primary reference Unitron Inc |
| 1737AS16637-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-042-8245 is a Gasket, manufactured by Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-042-8245 has 1 manufacturer part number on file: 16637 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems).
3 possible matches (shared part number, not a government interchangeability claim): 5315-01-292-3973, 6515-01-591-6228, 1385-01-601-4637. Verify interchangeability with system specifications before substitution.
Key specifications for 16637: Cross-Sectional Thickness: 0.120 INCHES NOMINAL IN; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR; Material Document and Classification: MIL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.