The Valve,brake,parking, cataloged under National Stock Number 1630-00-650-7030, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Avox Systems Inc Dba Avox Systems 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-650-7030 |
| Primary Part Number | 4500S |
| Item Name | Valve,brake,parking |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY AND BRASS,2.933 IN. O/A LG,1.624 IN. O/A H,1.062 IN.O/A W,TWO 7/16-20 UNF 3B THD PORTS,TWO 0.196 IN. DIA MTG HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4500S PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 1630-00-650-7030 is a Valve,brake,parking, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-650-7030 has 1 manufacturer part number on file: 4500S (Avox Systems Inc Dba Avox Systems Inc).
Key specifications for 4500S: General Characteristics Item Description: ALUMINUM ALLOY AND BRASS,2.933 IN. O/A LG,1.624 IN. O/A H,1.062 IN.O/A W,TWO 7/16-20 UNF 3B THD PORTS,TWO 0.196 IN. DIA MTG HOLES 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 1630-00-650-7030 has DEMIL Code B. 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.