The Gasket, cataloged under National Stock Number 5330-01-070-2120, 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 - Mitchel Field. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-070-2120 |
| Primary Part Number | 350685 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.019 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Aperture Diameter | 1.548 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.303 INCHES MINIMUM AND 1.323 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.230 INCHES NOMINAL IN |
| Outside Corner Radius | 0.200 INCHES NOMINAL IN |
| Hole Diameter | 0.138 INCHES MINIMUM AND 0.146 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.230 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 |
|---|---|
| 350685 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 350685-000 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 3153057 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 350685-000 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
NSN 5330-01-070-2120 is a Gasket, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-070-2120 has 1 manufacturer part number on file: 350685 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 350685: Cross-Sectional Thickness: 0.019 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR; Overall Length: 1.770 INCHES NOMINAL IN; Overall Width: 1.770 INCHES NOMINAL IN. 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.