The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-568-6264, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Real-Time Laboratories, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Real-Time Laboratories, Llc (CAGE 62319); Nd Defense Llc (CAGE 338X5) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-568-6264 |
| Primary Part Number | 171377050C |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Real-Time Laboratories, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 171377050C PRIMARY | Real-Time Laboratories, Llc (USA) |
| 3688839C93 | Nd Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3688839C92L | 5/9 Secondary reference Nd Defense Llc |
| 3688839C92 | 5/9 Secondary reference Nd Defense Llc |
| 3688839C91L | 5/9 Secondary reference Nd Defense Llc |
NSN 2540-01-568-6264 is a Duct Assembly,air Conditioning-H, manufactured by Real-Time Laboratories, Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-568-6264 has 2 manufacturer part numbers on file: 171377050C (Real-Time Laboratories, Llc), 3688839C93 (Nd Defense Llc).
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.