The Gasket, cataloged under National Stock Number 5330-01-074-3355, 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 Communication Systems-East. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-074-3355 |
| Primary Part Number | SMC777311-2 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Temp Rating | -80.0 FAHRENHEIT AND 425.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.120 INCHES NOMINAL IN |
| Hardness Rating | 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Elongation Percentage | 125 MAXIMUM |
| Outside Corner Bevel Length Along Width | 0.375 INCHES NOMINAL IN |
| Outside Corner Bevel Length Along Length | 0.375 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.680 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q OVERALL |
| Hole Diameter | 0.300 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.560 INCHES NOMINAL 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 |
|---|---|
| SMC777311-2 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| SMC777311-2 | 3/2 Design control — primary reference U.S. Government activity |
| SMC777311-2 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5330-01-074-3355 is a Gasket, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-074-3355 has 1 manufacturer part number on file: SMC777311-2 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for SMC777311-2: Temp Rating: -80.0 FAHRENHEIT AND 425.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.120 INCHES NOMINAL IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: NON-CIRCULAR. 16 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.