The Air Tube,friction Clutch, cataloged under National Stock Number 2520-01-183-4497, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2520-01-183-4497 |
| Item Name | Air Tube,friction Clutch |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL,NEOPRENE RUBBER,FOUR PLY,61.500 IN. OD;57.688 IN. ID;12.312 IN. LG;FURNISHED WITH FOUR VALVES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 510847 | 3/2 Design control — primary reference U.S. Government activity |
| 510847 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2520-01-183-4497 is a Air Tube,friction Clutch, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-567-9119. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-01-183-4497: General Characteristics Item Description: MATERIAL,NEOPRENE RUBBER,FOUR PLY,61.500 IN. OD;57.688 IN. ID;12.312 IN. LG;FURNISHED WITH FOUR VALVES IN. 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.