The Piston and Sleeve,brake Valve, cataloged under National Stock Number 1630-00-284-2803, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1630-00-284-2803 |
| Item Name | Piston and Sleeve,brake Valve |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| General Characteristics Item Description | COMPONENTS 1 PISTON,1 SLEEVE,LAP FIT LEAKAGE ALLOWANCE 4 TO10 DROPS PER MIN,MIL-H-5606 FLUID AT 70 TO 90 DEG F AT 3000.0 PSI DEGF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 28969 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-00-284-2803 is a Piston and Sleeve,brake Valve, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5975-01-026-4806, 3120-01-077-7955, 5305-01-249-8564. Verify interchangeability with system specifications before substitution.
Key specifications for 1630-00-284-2803: General Characteristics Item Description: COMPONENTS 1 PISTON,1 SLEEVE,LAP FIT LEAKAGE ALLOWANCE 4 TO10 DROPS PER MIN,MIL-H-5606 FLUID AT 70 TO 90 DEG F AT 3000.0 PSI DEGF. 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.
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.