The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-418-2545, 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 Tactair Fluid Controls Inc. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-418-2545 |
| Primary Part Number | HP1138117-1 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Length | 0.125 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment Document and Classification | QQ-P-35 TYPE 1 OR TYPE 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Design Type | PLATE |
| Outside Diameter | 0.580 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 410 |
| Orifice Diameter | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HP1138117-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP1138117-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-418-2545 is a Restrictor,fluid Flow, manufactured by Tactair Fluid Controls Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-418-2545 has 1 manufacturer part number on file: HP1138117-1 (Tactair Fluid Controls Inc).
Key specifications for HP1138117-1: Length: 0.125 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment Document and Classification: QQ-P-35 TYPE 1 OR TYPE 3 FED SPEC SINGLE TREATMENT RESPONSE; Design Type: PLATE. 8 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.
NSN 4730-00-418-2545 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.