The Blower Box Assembly, cataloged under National Stock Number 4920-01-356-8204, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Neff Instrument Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4920-01-356-8204 |
| Primary Part Number | 90022916 |
| Item Name | Blower Box Assembly |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Neff Instrument Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM; 16 IN. W; 19 IN H; 6-31/32 IN DEEP; TWO FANS; 115 VOLTAGE AC; 50/60 HZ; SPEED 2350/2100 RPM; 14/18 WATTS INPUT POWER; LINE CURRENT 120/160 MA; FREE AIR PERFORMANCE 172/149 CFM IN |
| 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 |
|---|---|
| 90022916 PRIMARY | Neff Instrument Corporation (USA) |
| Reference | Meaning |
|---|---|
| 110931 | D/9 Drawing number reference only North Wind Test Llc |
| 110931-001 | 7/2 Vendor item drawing reference North Wind Test Llc |
NSN 4920-01-356-8204 is a Blower Box Assembly, manufactured by Neff Instrument Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-356-8204 has 1 manufacturer part number on file: 90022916 (Neff Instrument Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-429-5959. Verify interchangeability with system specifications before substitution.
Key specifications for 90022916: General Characteristics Item Description: ALUMINUM; 16 IN. W; 19 IN H; 6-31/32 IN DEEP; TWO FANS; 115 VOLTAGE AC; 50/60 HZ; SPEED 2350/2100 RPM; 14/18 WATTS INPUT POWER; LINE CURRENT 120/160 MA; FREE AIR PERFORMANCE 172/149 CFM IN; End Item Identification: ADVANCED CRUISE MISSILE,ACM-1229. 1 specification is 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.