The Heat Exchanger,fan, cataloged under National Stock Number 5999-01-646-7945, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-646-7945 |
| Primary Part Number | N140108-1 |
| Item Name | Heat Exchanger,fan |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | JH |
| Part Number | Manufacturer |
|---|---|
| N140108-1 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
NSN 5999-01-646-7945 is a Heat Exchanger,fan, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-646-7945 has 1 manufacturer part number on file: N140108-1 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for N140108-1: Criticality Code Justification: FEAT; Special Features: A PART, ASSEMBLY, OR SYSTEM IDENTIFIED AS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION TO PRESERVE LIFE AND SAFETY OF PERSONNEL; End Item Identification: AN/BVY-1(V)4 ISIS VA TI-14 BAY 10. 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 5999-01-646-7945 has DEMIL Code Q. 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.