The Cooling Chassis 3, cataloged under National Stock Number 5999-01-581-3140, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Cooling Chassis 3 |
| FSC / FSG | 5999 — Miscellaneous Electrical and Electronic Components (FSG 59) |
| Manufacturers | Lockheed Martin Corporation Div Rms - Manassas (CAGE 52088); Mercury Systems, Inc. Dba Mercury Systems, Inc (CAGE 1VQH4) |
| Parameter | Value |
|---|---|
| NSN | 5999-01-581-3140 |
| Primary Part Number | B1471 |
| Item Name | Cooling Chassis 3 |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| Acquisition advice code | Y |
| Part Number | Manufacturer |
|---|---|
| B1471 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
| 71896 Q70 | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| 79C0926-00 | 5/2 Secondary reference U.S. Government activity |
| B1471 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-581-3140 is a Cooling Chassis 3, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-581-3140 has 2 manufacturer part numbers on file: B1471 (Lockheed Martin Corporation Div Rms - Manassas), 71896 Q70 (Mercury Systems, Inc. Dba Mercury Systems, Inc).
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.