The Valve Assembly,dual Control Pres, cataloged under National Stock Number 1630-01-140-1949, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-140-1949 |
| Item Name | Valve Assembly,dual Control Pres |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF SLEEVE ASSY;BODY ASSY;PIN ASSY;CAP 1;PLUG 2;FILTER 1;AND OTHER MISC. HARDWARE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 458-50044 | D/9 Drawing number reference only U.S. Government activity |
| 458-50044-3 | 1/2 Source control — Government-approved source U.S. Government activity |
| 39-657 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-140-1949 is a Valve Assembly,dual Control Pres, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-225-9695, 1630-01-229-3669, 3020-01-543-5135. Verify interchangeability with system specifications before substitution.
Key specifications for 1630-01-140-1949: General Characteristics Item Description: CONSISTS OF SLEEVE ASSY;BODY ASSY;PIN ASSY;CAP 1;PLUG 2;FILTER 1;AND OTHER MISC. HARDWARE; End Item Identification: KC135R ACFT. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-01-140-1949 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.