The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-678-2188, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Ordnance and Tactical Systems, Inc.. Government technical data includes 1 specification, 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-678-2188 |
| Primary Part Number | AL4003663 |
| Item Name | Boot,dust and Moisture Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Dynamics Ordnance and Tactical Systems, Inc. |
| Status | ACTIVE |
| Material | RUBBER 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 |
NSN 5340-01-678-2188 is a Boot,dust and Moisture Seal, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-678-2188 has 2 manufacturer part numbers on file: AL4003663 (General Dynamics Ordnance and Tactical Systems, Inc.), AL4003663 (Flyer Defense, Llc).
Key specifications for AL4003663: Overall Height: 32.00 MILLIMETERS NOMINAL MM; Overall Length: 77.00 MILLIMETERS NOMINAL MM; Overall Width: 70.00 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: BOOT, BLACK RIGHT SIDE ENTRY. 1 specification is 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.