The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-370-9496, 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 Goodrich Corporation. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-370-9496 |
| Primary Part Number | 2003003-5 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Length | 5.920 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Design Type | TUBULAR |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Criticality Code Justification | FEAT |
| Material Document and Classification | QQ-A-225/4, TEMPER-T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.673 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size Designator | 0.375-24 LOCATION NOT OTHERWISE SPECIFIED |
| Surface Treatment | ANODIZE |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Material | ALUMINUM ALLOY 2014 |
| Orifice Diameter | 0.253 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2003003-5 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2003003 | D/9 Drawing number reference only Goodrich Corp Dba Goodrich Corp |
| 2003003-5 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 4730-00-370-9496 is a Restrictor,fluid Flow, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-370-9496 has 1 manufacturer part number on file: 2003003-5 (Goodrich Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 1660-01-032-6778, 4220-01-334-0970, 9330-01-387-0469. Verify interchangeability with system specifications before substitution.
Key specifications for 2003003-5: Length: 5.920 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Surface Treatment Document and Classification: MIL-A-8625,TYPE 3,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Design Type: TUBULAR. 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.