The Reducer,tube, cataloged under National Stock Number 4730-01-691-8622, 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 The Boeing Company Div Defense. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-691-8622 |
| Primary Part Number | 7M1308T0412 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.125 INCHES SECOND END IN |
| Nominal Width Across Flats | 1.00 INCHES CENTER BULKHEAD IN |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | SWIVEL NUT, GASKET SEAL (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Style Designator | CENTER WRENCHING FACILITY |
| Material Document and Classification | AS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AS-4965 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.75 INCHES SECOND END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Thread Quantity Per Inch | 3A FIRST END A |
| Thread Quantity Per Inch | 3B SECOND END |
| Material | TITANIUM ALLOY BODY |
| Material | TITANIUM ALLOY NUT |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| AP318T0412 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M1308T0412 PRIMARY | The Boeing Company Div Defense (USA) |
| AFP3674T0412 | Aerofit, Llc (USA) |
NSN 4730-01-691-8622 is a Reducer,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-691-8622 has 3 manufacturer part numbers on file: AP318T0412 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M1308T0412 (The Boeing Company Div Defense), AFP3674T0412 (Aerofit, Llc).
Key specifications for 7M1308T0412: Nominal Width Across Flats: 1.125 INCHES SECOND END IN; Nominal Width Across Flats: 1.00 INCHES CENTER BULKHEAD IN; Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: SWIVEL NUT, GASKET SEAL (TUBE) SECOND END. 21 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.