The Gasket, cataloged under National Stock Number 5330-01-033-5271, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-033-5271 |
| Primary Part Number | 051818 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Material Document and Classification | MIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| 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 |
|---|---|
| 051818 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887C051818 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 887C051818 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 51818 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 887F050071 ITEM 40 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5330-01-033-5271 is a Gasket, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-033-5271 has 1 manufacturer part number on file: 051818 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-174-1855. Verify interchangeability with system specifications before substitution.
Key specifications for 051818: Cross-Sectional Thickness: 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Material Document and Classification: MIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 4.970 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN. 5 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.