The Guard,fan Impeller, cataloged under National Stock Number 4140-01-071-6191, 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 Honeywell Intl Inc Defense Avionics Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-071-6191 |
| Primary Part Number | 2132165-2 |
| Item Name | Guard,fan Impeller |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| 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 |
NSN 4140-01-071-6191 is a Guard,fan Impeller, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-071-6191 has 2 manufacturer part numbers on file: 65-175-1 (Curtiss-Wright Controls Integrated Sensing, Inc.), 2132165-2 (Honeywell Intl Inc Defense Avionics Systems).
1 possible match (shared part number, not a government interchangeability claim): 6115-01-413-8338. Verify interchangeability with system specifications before substitution.
Key specifications for 2132165-2: Special Features: FLAT FACED CONFIGURATION;CONCENTRIC RING TYPE;4 RINGS EQUALLY SPACED;LARGEST RING APPROX 4 IN.DIA;W/4 RADIAL FRAMING/MTG LEGS SPACED 90 DEG APART;0.16 IN.DIA LOOP IN FREE END OF LEGS;4.12 IN.CENTER TO CENTER OF ADJACENT LOOPS;NOM 3.18 IN.CENTER TO CENTER OF OPPOSITE LOOPS;LEGS AND RINGS 13 GAGE CRES WIRE;WELDED CONSTRUCTION;CADMIUM PLATE AND IRIDITE FINISH; IN. 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.