The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-008-5355, 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 Aerometals, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-008-5355 |
| Primary Part Number | 373565-3 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aerometals, Inc. |
| Status | ACTIVE |
| Length | 1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN |
| Design Type | TUBULAR |
| Thread Length | 0.750 INCHES MINIMUM FIRST PROVISION IN |
| Thread Length | 0.770 INCHES MAXIMUM SECOND PROVISION IN |
| Criticality Code Justification | APGF |
| Outside Diameter | 5.324 INCHES MINIMUM AND 5.334 INCHES MAXIMUM IN |
| Orifice Diameter | 0.555 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 373565-3 | Aerometals, Inc. (USA) |
| 373565-3 | Nassau Tool Works, Inc (USA) |
| 373565-3 | Hydromach Inc Dba Hydromach Inc (USA) |
| 373565-3 | Gkn Fokker Aerospace B.v. Div Fokker Landing Gear B.v. (NLD) |
| 373565-3 | Federal Industries, Inc. Dba Federal Industries Inc (USA) |
| 373565-3 | Heroux-Devtek Inc (CAN) |
| 373565-3 | Alpine Industries, Llc (USA) |
| 373565-3 | Machine Specialties, Llc (USA) |
| 373565-3 | Es3 Prime Logistics Group Inc Dba Es3 Plg (USA) |
| 373565-3 | Cliffdale Manufacturing Llc (USA) |
| 373565-3 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 373565-3 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 373565-3 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 373565-3 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 373565-3 | 3/2 Design control — primary reference U.S. Government activity |
| 373565-3 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-008-5355 is a Restrictor,fluid Flow, manufactured by Aerometals, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-008-5355 has 12 manufacturer part numbers on file: 373565-3 (Aerometals, Inc.), 373565-3 (Nassau Tool Works, Inc), 373565-3 (Hydromach Inc Dba Hydromach Inc), 373565-3 (Gkn Fokker Aerospace B.v. Div Fokker Landing Gear B.v.), 373565-3 (Federal Industries, Inc. Dba Federal Industries Inc) and 7 more.
Key specifications for 373565-3: Length: 1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN; Design Type: TUBULAR; Thread Length: 0.750 INCHES MINIMUM FIRST PROVISION IN; Thread Length: 0.770 INCHES MAXIMUM SECOND PROVISION IN. 7 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.