The Gasket, cataloged under National Stock Number 5330-01-413-8491, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-413-8491 |
| Primary Part Number | 77C955663P1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Center to Center Distance Between Largest Bolt Holes | 7.070 INCHES NOMINAL IN |
| Smallest Bolt Hole Quantity | 2 |
| Outside Edge to Inside Edge Smallest Distance Along Width | 5.300 INCHES NOMINAL IN |
| Largest Bolt Hole Quantity | 6 |
| Smallest Bolt Hole Diameter | 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Largest Bolt Hole Diameter | 0.229 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77C955663P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
NSN 5330-01-413-8491 is a Gasket, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-413-8491 has 1 manufacturer part number on file: 77C955663P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C955663P1: Center to Center Distance Between Largest Bolt Holes: 7.070 INCHES NOMINAL IN; Smallest Bolt Hole Quantity: 2; Outside Edge to Inside Edge Smallest Distance Along Width: 5.300 INCHES NOMINAL IN; Largest Bolt Hole Quantity: 6. 7 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.
NSN 5330-01-413-8491 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.