The Gasket, cataloged under National Stock Number 5330-00-753-9638, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Libby Power Systems, Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-00-753-9638 |
| Primary Part Number | 2056191 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Libby Power Systems, Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.312 INCHES NOMINAL IN |
| Inside Corner Radius | 0.375 INCHES NOMINAL IN |
| Outside Corner Radius | 0.500 INCHES NOMINAL IN |
| Material | RUBBER 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 |
|---|---|
| 2056191 | Libby Power Systems, Llc (USA) |
| 7H4695 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 157G7 | 5/9 Secondary reference Diamond Reo Truck Co |
| 1916502 | 5/9 Secondary reference Gte Communication Systems Corp |
| 1916502 | 5/9 Secondary reference General Motors Corp |
| 1916502 | 5/9 Secondary reference General Motors Corp AC-Delco Div Government Order Dept |
| 1916502 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 5330007539638 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 1916502 | 3/9 Design control — primary reference General Motors Corp Delco Remy Div |
| 914354 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 32931 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-753-9638 is a Gasket, manufactured by Libby Power Systems, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-753-9638 has 2 manufacturer part numbers on file: 2056191 (Libby Power Systems, Llc), 7H4695 (Caterpillar Inc Div Caterpillar Defense).
5 possible matches (shared part number, not a government interchangeability claim): 5985-01-036-1240, 2915-01-091-2104, 6625-01-110-4551. Verify interchangeability with system specifications before substitution.
Key specifications for 2056191: Cross-Sectional Thickness: 0.312 INCHES NOMINAL IN; Inside Corner Radius: 0.375 INCHES NOMINAL IN; Outside Corner Radius: 0.500 INCHES NOMINAL IN; Material: RUBBER OVERALL. 4 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.