The Cylinder,brake Valv, cataloged under National Stock Number 1630-01-018-3849, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Commercial. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-018-3849 |
| Primary Part Number | 50-11376-2 |
| Item Name | Cylinder,brake Valv |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| 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 |
|---|---|
| 50-11376-2 | Circor Aerospace, Inc. Div Circor (USA) |
| 50-11376-2 PRIMARY | The Boeing Company Div Commercial (USA) |
| 50-11376-2 | Nassau Tool Works, Inc (USA) |
| 50-11376-2 | Heroux-Devtek Inc (CAN) |
| Reference | Meaning |
|---|---|
| 50-11376-2 | 5/2 Secondary reference U.S. Government activity |
| 50-11376-2 | 5/2 Secondary reference U.S. Government activity |
NSN 1630-01-018-3849 is a Cylinder,brake Valv, manufactured by The Boeing Company Div Commercial, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-018-3849 has 4 manufacturer part numbers on file: 50-11376-2 (Circor Aerospace, Inc. Div Circor), 50-11376-2 (The Boeing Company Div Commercial), 50-11376-2 (Nassau Tool Works, Inc), 50-11376-2 (Heroux-Devtek Inc).
Key specifications for 50-11376-2: End Item Identification: E3A AIRCRAFT. 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 1630-01-018-3849 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.