NSN 2540-01-646-8945 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-646-8945. Manufacturer of record part number: 4061904C91.
Also searched as2540-01-646-8945 ·
2540016468945 ·
NIIN 016468945 ·
01-646-8945 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 338X5 · 4061904C91
The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-646-8945, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Nd Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2540-01-646-8945
Primary Part Number
4061904C91
Item Name
Duct Assembly,air Conditioning-H
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Nd Defense Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-003-8351
BOW,VEHICULAR TOP
2540-00-211-6255
ADAPTER,FLANGE
2540-00-286-9674
MIRROR ASSEMBLY,REARVIEW
2540-00-383-5078
PINTLE ASSEMBLY,TOWING
2540-00-402-8320
PEDAL,CONTROL
2540-00-693-1039
LINK,REPAIR,TIRE CROSS CHAIN
2540-01-221-1441
VENTILATOR,AIR CIRCULATING
2540-01-568-0545
INSULATION,VEHICULAR
Frequently Asked Questions
What is NSN 2540-01-646-8945?
NSN 2540-01-646-8945 is a Duct Assembly,air Conditioning-H, manufactured by Nd Defense Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What part numbers are listed for NSN 2540-01-646-8945?
NSN 2540-01-646-8945 has 1 manufacturer part number on file: 4061904C91 (Nd Defense Llc).
What are the specifications of 4061904C91?
Key specifications for 4061904C91: Part Name Assigned by Controlling Agency: DUCT, ASM, UPPER PASSENGER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2540-01-646-8945 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.