The Brake Bleeder Assy, cataloged under National Stock Number 1630-01-570-5801, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Irwin International, Inc. Dba Irwin International Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1630-01-570-5801 |
| Primary Part Number | 11225 |
| Item Name | Brake Bleeder Assy |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Irwin International, Inc. Dba Irwin International Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 11225 PRIMARY | Irwin International, Inc. Dba Irwin International Inc (USA) |
| Reference | Meaning |
|---|---|
| 11225 | 3/9 Design control — primary reference Aircraft Spruce and Specialty Co a Div of Honeywell Inc |
NSN 1630-01-570-5801 is a Brake Bleeder Assy, manufactured by Irwin International, Inc. Dba Irwin International Inc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-570-5801 has 1 manufacturer part number on file: 11225 (Irwin International, Inc. Dba Irwin International Inc).
Key specifications for 11225: Special Features: CTPLT/ARSGEAR. SSR NAME IS BLEEDER ASSY. PER MANUFACTURER UNIVERSAL BRAKE BLEEDER FITTING. FITS ALL STANDARD BRAKE SYSTEM INCH MALE NPT SEAT IS BRASS. BLEEDER SCREW IS STAINLESS STEEL; Part Name Assigned by Controlling Agency: ACS BRAKE BLEEDER ASSEMBLY. 0 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 1630-01-570-5801 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.