The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-068-2160, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-068-2160 |
| Primary Part Number | 287539-19 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| Length | 1.300 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | UNF SECOND PROVISION |
| Thread Series | UNF FIRST PROVISION |
| Thread Length | 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM FIRST PROVISION IN |
| Thread Length | 0.656 INCHES MINIMUM SECOND PROVISION IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Direction | RIGHT-HAND SECOND PROVISION |
| Thread Size Designator | 7/16-20 FIRST PROVISION |
| Thread Size Designator | 7/16-20 SECOND PROVISION |
| Thread Class | 3A FIRST PROVISION A |
| Thread Class | 3B SECOND PROVISION |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 287539-19 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| 287539-19 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 287539-19 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-068-2160 is a Restrictor,fluid Flow, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-068-2160 has 2 manufacturer part numbers on file: 287539-19 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 287539-19 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 287539-19: Length: 1.300 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR, HEX SHAPE; Thread Series: UNF SECOND PROVISION. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.