The Kit,hot Plug Redund, cataloged under National Stock Number 4140-01-499-5554, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Compaq Computer Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-499-5554 |
| Primary Part Number | 225012-B21 |
| Item Name | Kit,hot Plug Redund |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Compaq Computer Corp. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 225012-B21 PRIMARY | Compaq Computer Corp. (USA) |
| Reference | Meaning |
|---|---|
| 218382-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 4140-01-499-5554 is a Kit,hot Plug Redund, manufactured by Compaq Computer Corp., classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-499-5554 has 1 manufacturer part number on file: 225012-B21 (Compaq Computer Corp.).
Key specifications for 225012-B21: Overall Length: 60.0 MILLIMETERS NOMINAL MM; Overall Width: 60.0 MILLIMETERS NOMINAL MM; Special Features: THIS HOT PLUG REDUNDANT FAN OPTION KIT COMES WITH THREE(3) FANS AND IS DESIGNED FOR USE WITH THE COMPAQ PROLIANT DL 380 SERVER.; Part Name Assigned by Controlling Agency: HOT PLUG REDUNTANT FAN OPTION KIT. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.