The Clutch,sliding Sleeve,vehicular, cataloged under National Stock Number 2520-00-271-9338, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2520-00-271-9338 |
| Primary Part Number | 10911107 |
| Item Name | Clutch,sliding Sleeve,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Spline Type | INVOLUTE |
| Outside Diameter | 9.484 INCHES MINIMUM AND 9.516 INCHES MAXIMUM IN |
| Pitch Diameter | 5.5000 INCHES NOMINAL IN |
| Spline Pressure Angle in Deg | 30.000 |
| Spline Quantity | 44 |
| Material | STEEL |
| 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 |
|---|---|
| 10911107 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| D4056 | 3/9 Design control — primary reference Friction Holdings, Llc Dba Friction Products Co Div Raybestos Powertrain |
NSN 2520-00-271-9338 is a Clutch,sliding Sleeve,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-271-9338 has 1 manufacturer part number on file: 10911107 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-409-0095. Verify interchangeability with system specifications before substitution.
Key specifications for 10911107: Spline Type: INVOLUTE; Outside Diameter: 9.484 INCHES MINIMUM AND 9.516 INCHES MAXIMUM IN; Pitch Diameter: 5.5000 INCHES NOMINAL IN; Overall Length: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN. 6 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.