The Shaft,and Clutch Half,positive, cataloged under National Stock Number 2520-01-320-3786, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-320-3786 |
| Primary Part Number | 10943574 |
| Item Name | Shaft,and Clutch Half,positive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ALLOY,QQ-S-624,COND 4130; 2.400 IN. LG; FIRST END 0.750 IN. SQ; SECOND END THREADED 0.312-24 UNF-2A A |
| 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 |
|---|---|
| 10943574 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10943574 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
NSN 2520-01-320-3786 is a Shaft,and Clutch Half,positive, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-320-3786 has 1 manufacturer part number on file: 10943574 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10943574: General Characteristics Item Description: STEEL ALLOY,QQ-S-624,COND 4130; 2.400 IN. LG; FIRST END 0.750 IN. SQ; SECOND END THREADED 0.312-24 UNF-2A A; End Item Identification: 1450-00-066-8873. 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.