The Shroud,fan,axial, cataloged under National Stock Number 4140-01-543-9633, 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 Hoffman Enclosures Inc Dba Hoffman Enclosures Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-543-9633 |
| Primary Part Number | P-VT3F681EMC |
| Item Name | Shroud,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc |
| Status | ACTIVE |
| Mounting Method | SCREW |
| Shape | RECTANGULAR |
| Body Material | STEEL |
| 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 |
|---|---|
| P-VT3F681EMC PRIMARY | Hoffman Enclosures Inc Dba Hoffman Enclosures Inc (USA) |
| 401-7618806 REV A ITEM 6B | Naval Sea Systems Command (USA) |
NSN 4140-01-543-9633 is a Shroud,fan,axial, manufactured by Hoffman Enclosures Inc Dba Hoffman Enclosures Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-543-9633 has 2 manufacturer part numbers on file: P-VT3F681EMC (Hoffman Enclosures Inc Dba Hoffman Enclosures Inc), 401-7618806 REV A ITEM 6B (Naval Sea Systems Command).
Key specifications for P-VT3F681EMC: Overall Height: 3.000 INCHES NOMINAL IN; Mounting Method: SCREW; Shape: RECTANGULAR; Overall Length: 31.210 INCHES NOMINAL IN. 3 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.