The Shield,heater Duct, cataloged under National Stock Number 2540-01-435-0593, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-435-0593 |
| Primary Part Number | 12420495-009 |
| Item Name | Shield,heater Duct |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| General Characteristics Item Description | AIRDROP DEFROSTER,RIGHT HAND,AIRDROP |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12420495-009 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12420495-009 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12420495-003 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12420495-009 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12420495-003 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 2540-01-435-0593 is a Shield,heater Duct, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-435-0593 has 2 manufacturer part numbers on file: 12420495-009 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12420495-009 (Amz Alabama Inc.).
Key specifications for 12420495-009: Overall Height: 32.6 MILLIMETERS NOMINAL MM; General Characteristics Item Description: AIRDROP DEFROSTER,RIGHT HAND,AIRDROP; Overall Length: 958.9 MILLIMETERS NOMINAL MM; End Item Identification: 2320-01-354-3385. 2 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.