The Coupling,tube, cataloged under National Stock Number 4730-01-357-9581, 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 15 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-357-9581 |
| Primary Part Number | AP3701T16 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | CUSHION SEAL (TUBE) FIRST END |
| Nominal Overall Length | 2.949 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Style Designator | THREADED AND PLAIN |
| Material Document and Classification | AMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 14 FIRST END |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| AP3701T16 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| R45360T4-16 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 07A358-16 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AFP1953T1616 | Aerofit, Llc (USA) |
| AAC4115-16 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| Reference | Meaning |
|---|---|
| 4PHS115-16 | 5/9 Secondary reference Advanced Metal Components Inc |
| 07A358-16 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| 07A358 | D/9 Drawing number reference only Te Connectivity Corporation Dba Raychem Product Division |
| 4PHS115-16 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 4730-01-357-9581 is a Coupling,tube, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-357-9581 has 5 manufacturer part numbers on file: AP3701T16 (Sps Technologies, Llc Dba Airdrome Precision Components), R45360T4-16 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 07A358-16 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AFP1953T1616 (Aerofit, Llc), AAC4115-16 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-357-9582, 4730-01-366-0702, 4730-01-366-5545. Verify interchangeability with system specifications before substitution.
Key specifications for AP3701T16: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: CUSHION SEAL (TUBE) FIRST END; Nominal Overall Length: 2.949 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 15 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.