The Boot,power Transmission Componen, cataloged under National Stock Number 2520-00-980-4547, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Transdigm Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-980-4547 |
| Primary Part Number | 40099-2-40097-3X4 |
| Item Name | Boot,power Transmission Componen |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Transdigm Inc |
| Status | ACTIVE |
| Outside Diameter | 1.562 INCHES NOMINAL IN |
| Inside Diameter | 0.312 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 40099-2-40097-3X4 PRIMARY | Transdigm Inc (USA) |
| Reference | Meaning |
|---|---|
| 2070598 | D/9 Drawing number reference only U.S. Government activity |
| 73648-19X2R1PC5 | 5/2 Secondary reference U.S. Government activity |
| 73648-19X2R1 | D/9 Drawing number reference only U.S. Government activity |
NSN 2520-00-980-4547 is a Boot,power Transmission Componen, manufactured by Transdigm Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-980-4547 has 1 manufacturer part number on file: 40099-2-40097-3X4 (Transdigm Inc).
Key specifications for 40099-2-40097-3X4: Overall Height: 4.250 INCHES NOMINAL IN; Outside Diameter: 1.562 INCHES NOMINAL IN; Inside Diameter: 0.312 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Special Features: USED ON REMOTE CONTROL OXYGEN BANK HULL STOP VALVES TORP & ER. 3 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.