The Spacer,bell Assembl, cataloged under National Stock Number 4140-00-920-6393, 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 Us Army Aviation and Missile Command. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spacer,bell Assembl |
| FSC / FSG | 4140 — Fans, Air Circulators, and Blower Equipment (FSG 41) |
| Manufacturers | Us Army Aviation and Missile Command (CAGE 18876) |
| Parameter | Value |
|---|---|
| NSN | 4140-00-920-6393 |
| Primary Part Number | 9171455-10 |
| Item Name | Spacer,bell Assembl |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 9171455-10 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 9171455-10 | 5/9 Secondary reference Dynamic Air Engineering, Inc. |
| 2729-14 | 5/9 Secondary reference Dynamic Air Engineering, Inc. |
NSN 4140-00-920-6393 is a Spacer,bell Assembl, manufactured by Us Army Aviation and Missile Command, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-00-920-6393 has 1 manufacturer part number on file: 9171455-10 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-461-2132. Verify interchangeability with system specifications before substitution.
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.