The Valve,pneumatic, cataloged under National Stock Number 4920-01-183-8947, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-01-183-8947 |
| Item Name | Valve,pneumatic |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| FSC Application Data | INTERMEDIATE AUTOMATIC TEST SET |
| General Characteristics Item Description | 4.000 IN. L,4.000 H; 4 MOUNTING HOLES 0.180 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3595047-1 | 7/2 Vendor item drawing reference Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| 81145-2 | 3/9 Design control — primary reference Davidson, John C Dba K I M Aerotech |
NSN 4920-01-183-8947 is a Valve,pneumatic, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 8465-01-553-4425. Verify interchangeability with system specifications before substitution.
Key specifications for 4920-01-183-8947: FSC Application Data: INTERMEDIATE AUTOMATIC TEST SET; General Characteristics Item Description: 4.000 IN. L,4.000 H; 4 MOUNTING HOLES 0.180 IN. DIA IN; End Item Identification: 4920011344487DQ,A10 ACFT AGE.. 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.