The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-00-682-3873, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Mission Systems, Inc. Dba Gdms. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-682-3873 |
| Primary Part Number | 32-32502A01 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Dynamics Mission Systems, Inc. Dba Gdms |
| Status | ACTIVE |
| Width Across Flats | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Thread Series | UNS |
| Opening Inside Diameter | 0.250 INCHES NOMINAL IN |
| Base Thread Location | EXTERNAL |
| Thread Length | 0.219 INCHES NOMINAL IN |
| Style Designator | THRU-HOLE |
| Material Document and Classification | MIL-B5423/9 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Nominal Thread Size | 0.500 INCHES IN |
| Base Inside Diameter | 0.625 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | RUBBER SILICONE BODY |
| 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 |
|---|---|
| 32-32502A01 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 32-32502A01 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-682-3873 is a Boot,dust and Moisture Seal, manufactured by General Dynamics Mission Systems, Inc. Dba Gdms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-682-3873 has 1 manufacturer part number on file: 32-32502A01 (General Dynamics Mission Systems, Inc. Dba Gdms).
Key specifications for 32-32502A01: Overall Height: 0.218 INCHES NOMINAL IN; Width Across Flats: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Thread Series: UNS; Opening Inside Diameter: 0.250 INCHES NOMINAL IN. 12 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.