The Valve,parking Brake, cataloged under National Stock Number 1630-00-765-9185, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Tactair Fluid Controls Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-765-9185 |
| Primary Part Number | HP681100-5 |
| Item Name | Valve,parking Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| General Characteristics Item Description | DUAL UNIT,W/ALUMINUM ALLOY BODY,6.380 IN. LG,3.187 IN. W,6.093 IN. H,2250 PSI OPERATING PRESSURE,W/THERMAL RELIEF VALVES IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| HP681100-5 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP681100-5 | 5/9 Secondary reference U.S. Government activity |
NSN 1630-00-765-9185 is a Valve,parking Brake, manufactured by Tactair Fluid Controls Inc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-765-9185 has 1 manufacturer part number on file: HP681100-5 (Tactair Fluid Controls Inc).
Key specifications for HP681100-5: General Characteristics Item Description: DUAL UNIT,W/ALUMINUM ALLOY BODY,6.380 IN. LG,3.187 IN. W,6.093 IN. H,2250 PSI OPERATING PRESSURE,W/THERMAL RELIEF VALVES IN. 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 1630-00-765-9185 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.