The Guide,power Brake Valve, cataloged under National Stock Number 1630-00-008-3986, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 1630-00-008-3986 |
| Item Name | Guide,power Brake Valve |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| FSC Application Data | VALVE,POWER BRAKE |
| General Characteristics Item Description | CRES AMS 5643 NO. 17-4PH,PASSIVATED FINISH,4.637 IN. O/A LG,1.500 IN. O/A W,1.500 IN. O/A H,AS NOTED MACHINED SURFACES 16 32 AND100 MICROINCH FINISH,0.625 IN.MIN 0.626 IN. MAX DIA BORE,COUNTERBORED 0.995 IN. MIN 1.005 IN. MAX DIA 1.285 IN. MIN 1.291 IN. MAX DEEP,1 1/4 -18 UNF-3A THD 0.510 IN. LG ONE SECTION,HEAT TREAT CONDITIONH1050 PER MIL-H-6875 A |
| 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 |
|---|---|
| 29459 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-00-008-3986 is a Guide,power Brake Valve, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5999-00-468-1930, 2840-01-127-3197. Verify interchangeability with system specifications before substitution.
Key specifications for 1630-00-008-3986: FSC Application Data: VALVE,POWER BRAKE; General Characteristics Item Description: CRES AMS 5643 NO. 17-4PH,PASSIVATED FINISH,4.637 IN. O/A LG,1.500 IN. O/A W,1.500 IN. O/A H,AS NOTED MACHINED SURFACES 16 32 AND100 MICROINCH FINISH,0.625 IN.MIN 0.626 IN. MAX DIA BORE,COUNTERBORED 0.995 IN. MIN 1.005 IN. MAX DIA 1.285 IN. MIN 1.291 IN. MAX DEEP,1 1/4 -18 UNF-3A THD 0.510 IN. LG ONE SECTION,HEAT TREAT CONDITIONH1050 PER MIL-H-6875 A. 2 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 1630-00-008-3986 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.