The Reducer,tube, cataloged under National Stock Number 4730-00-006-4332, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-006-4332 |
| Primary Part Number | AP302T0403 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Connection Style | CUSHION SEAL (TUBE) ALL ENDS |
| Nominal Overall Length | 0.850 INCHES IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Maximum Operating Temp | 135.0 CELSIUS SINGLE RESPONSE DEGC |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNJS FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| AP302T0403 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R45116T0403 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| TF302T04-03 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4730PL1634809 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AE16111-4-3 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| GR550W4-3 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 4730PL0565325 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7568 | D/9 Drawing number reference only U.S. Government activity |
| C7568-0403 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-006-4332 is a Reducer,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-006-4332 has 3 manufacturer part numbers on file: AP302T0403 (Sps Technologies, Llc Dba Airdrome Precision Components), R45116T0403 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), TF302T04-03 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for AP302T0403: Connection Style: CUSHION SEAL (TUBE) ALL ENDS; Nominal Overall Length: 0.850 INCHES IN; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.188 INCHES SECOND END IN. 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.