The Blower,exhaust, cataloged under National Stock Number 4140-01-424-3271, 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 Outsource Electronics Manufacturing, Inc. Dba Outsource Electronics Manufacturing Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4140-01-424-3271 |
| Primary Part Number | B21-0009-001 |
| Item Name | Blower,exhaust |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Outsource Electronics Manufacturing, Inc. Dba Outsource Electronics Manufacturing Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B21-0009-001 PRIMARY | Outsource Electronics Manufacturing, Inc. Dba Outsource Electronics Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| B21-0009-001 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
NSN 4140-01-424-3271 is a Blower,exhaust, manufactured by Outsource Electronics Manufacturing, Inc. Dba Outsource Electronics Manufacturing Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-424-3271 has 1 manufacturer part number on file: B21-0009-001 (Outsource Electronics Manufacturing, Inc. Dba Outsource Electronics Manufacturing Inc).
Key specifications for B21-0009-001: Special Features: BLOWER RECEIVER; End Item Identification: AN/URC-131A,C A. 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.
NSN 4140-01-424-3271 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.