The Gasket, cataloged under National Stock Number 5330-01-076-4991, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Corru-Seals, Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-076-4991 |
| Primary Part Number | 3193438 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Corru-Seals, Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.902 INCHES NOMINAL IN |
| Aperture Diameter | 5.502 INCHES NOMINAL IN |
| Material | NICKEL ALLOY X-750 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 |
|---|---|
| 3193438 PRIMARY | Corru-Seals, Inc. (USA) |
| 616R56-0087-2 PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| 3193438 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 3193438 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 5330PL0674549 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 256782-001 | 5/1 Secondary reference Terma A/s |
NSN 5330-01-076-4991 is a Gasket, manufactured by Corru-Seals, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-076-4991 has 2 manufacturer part numbers on file: 3193438 (Corru-Seals, Inc.), 616R56-0087-2 (Eaton Corporation Div Fed).
Key specifications for 3193438: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 5.902 INCHES NOMINAL IN. 6 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.