The Orifice,servo Valve, cataloged under National Stock Number 1630-01-173-5292, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-173-5292 |
| Item Name | Orifice,servo Valve |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | LARGE END DIAMETER IS 0.2600 MIN.AND 0.2602 MAX.,FLOW TO BE 250-320 CC/MIN AT 1500 PSI |
| Criticality Code Justification | AGAV |
| Reference Data and Literature | T.O.4BA4-112-3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 37-00305 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-173-5292 is a Orifice,servo Valve, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-01-173-5292: General Characteristics Item Description: LARGE END DIAMETER IS 0.2600 MIN.AND 0.2602 MAX.,FLOW TO BE 250-320 CC/MIN AT 1500 PSI; Criticality Code Justification: AGAV; Reference Data and Literature: T.O.4BA4-112-3; End Item Identification: KC135 AIRCRAFT. 3 specifications are 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 1630-01-173-5292 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.