The Duct,oil Cooler,fan, cataloged under National Stock Number 2520-01-133-5301, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-133-5301 |
| Primary Part Number | 12273843 |
| Item Name | Duct,oil Cooler,fan |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL ALUMINUM ALLOY 5052; TEMPER H32 SPEC QQ-A-250/8; THICKNESS 0.900 IN. NOMINAL OVERALL; PROTECTIVE FINISH CHEMICAL FILM PER MIL-C-5541,CLASS1A,PRIME PER SPEC TT-P-1757,TOPCOAT COLOR WHITE PER SPEC TT-E-489; OVERALL NOMINAL DIMENSIONS AT EXTREMITIES 21.000 IN. LENGTH BY 21.190 IN. WIDTH BY 24.280 IN. HEIGHT; WELD IN ACCORDANCE WITH CLASS A,SPEC MIL-W-45205 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12273843 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-01-133-5301 is a Duct,oil Cooler,fan, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-133-5301 has 1 manufacturer part number on file: 12273843 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12273843: General Characteristics Item Description: MATERIAL ALUMINUM ALLOY 5052; TEMPER H32 SPEC QQ-A-250/8; THICKNESS 0.900 IN. NOMINAL OVERALL; PROTECTIVE FINISH CHEMICAL FILM PER MIL-C-5541,CLASS1A,PRIME PER SPEC TT-P-1757,TOPCOAT COLOR WHITE PER SPEC TT-E-489; OVERALL NOMINAL DIMENSIONS AT EXTREMITIES 21.000 IN. LENGTH BY 21.190 IN. WIDTH BY 24.280 IN. HEIGHT; WELD IN ACCORDANCE WITH CLASS A,SPEC MIL-W-45205 IN; End Item Identification: 2350010612445. 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.
NSN 2520-01-133-5301 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.