The Parts Kit,dust Boot, cataloged under National Stock Number 2520-01-723-3396, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Efdyn Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Parts Kit,dust Boot |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Efdyn Inc (CAGE 06623) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-723-3396 |
| Primary Part Number | 980-4309-0 |
| Item Name | Parts Kit,dust Boot |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Efdyn Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 980-4309-0 PRIMARY | Efdyn Inc (USA) |
| Reference | Meaning |
|---|---|
| 6-5332-1-00 | D/9 Drawing number reference only Efdyn Inc |
NSN 2520-01-723-3396 is a Parts Kit,dust Boot, manufactured by Efdyn Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-723-3396 has 1 manufacturer part number on file: 980-4309-0 (Efdyn Inc).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-723-3571. Verify interchangeability with system specifications before substitution.
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.