The Gasket, cataloged under National Stock Number 5330-01-088-5978, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Marathonnorco Aerospace, Inc.. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-088-5978 |
| Primary Part Number | AM1407-4-15A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Marathonnorco Aerospace, Inc. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.032 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | VELLUMOID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 5.000 INCHES MINIMUM AND 5.060 INCHES MAXIMUM IN |
| Aperture Diameter | 4.125 INCHES MINIMUM AND 4.135 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.562 INCHES NOMINAL IN |
| Material | PAPER AND GLUE OVERALL |
| Hole Diameter | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| A1407-4 ITEM 12 | Marathonnorco Aerospace, Inc. (USA) |
| AM1407-4-15A PRIMARY | Marathonnorco Aerospace, Inc. (USA) |
NSN 5330-01-088-5978 is a Gasket, manufactured by Marathonnorco Aerospace, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-088-5978 has 2 manufacturer part numbers on file: A1407-4 ITEM 12 (Marathonnorco Aerospace, Inc.), AM1407-4-15A (Marathonnorco Aerospace, Inc.).
Key specifications for AM1407-4-15A: Cross-Sectional Thickness: 0.032 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: VELLUMOID FSCM 01212 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.