The Impeller,fan,axial, cataloged under National Stock Number 4140-01-322-8132, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4140-01-322-8132 |
| Primary Part Number | B5W-37614-2VM |
| Item Name | Impeller,fan,axial |
| FSC / FSG | 4140 / 41 — Fans, Air Circulators, and Blower Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | EQUIPMENT AND/OR PARTS REQUIRING SPECIAL MATERIAL CONTROL AND QUALITY ASSURANCE WHICH SUPPORT THE NON-MAGNETIC SIGNATURE OF MINESWEEPERS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| B5W-37614-2VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 5W-37614-2 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| 5W-37614-2VM | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| B5W-37614-2 | 3/1 Design control — primary reference Fm Af, Llc Dba American Fan Company |
NSN 4140-01-322-8132 is a Impeller,fan,axial, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
NSN 4140-01-322-8132 has 1 manufacturer part number on file: B5W-37614-2VM (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4140-01-578-3878. Verify interchangeability with system specifications before substitution.
Key specifications for B5W-37614-2VM: Criticality Code Justification: ZZZY; Special Features: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; End Item Identification: FANS,AIR CIRCULATORS,AND BLOWER EQUIPMENT; Reference Number Differentiating Characteristics: EQUIPMENT AND/OR PARTS REQUIRING SPECIAL MATERIAL CONTROL AND QUALITY ASSURANCE WHICH SUPPORT THE NON-MAGNETIC SIGNATURE OF MINESWEEPERS. 2 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.