The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-435-2839, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc.. Government technical data includes 4 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-435-2839 |
| Primary Part Number | 12273147 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Dynamics Land Systems Inc. |
| Status | ACTIVE |
| Body Outside Diameter | 0.390 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Style Designator | THRU-HOLE |
| Base Outside Diameter | 3.300 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12273147 PRIMARY | General Dynamics Land Systems Inc. (USA) |
| 12273147-130 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-435-2839 is a Boot,dust and Moisture Seal, manufactured by General Dynamics Land Systems Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-435-2839 has 2 manufacturer part numbers on file: 12273147 (General Dynamics Land Systems Inc.), 12273147-130 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-491-0132, 5975-01-492-6399. Verify interchangeability with system specifications before substitution.
Key specifications for 12273147: Overall Height: 4.070 INCHES MINIMUM AND 4.270 INCHES MAXIMUM IN; Body Outside Diameter: 0.390 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Style Designator: THRU-HOLE; Base Outside Diameter: 3.300 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN. 4 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.