The Coupling,tube, cataloged under National Stock Number 4730-01-328-1374, 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 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-328-1374 |
| Primary Part Number | AP420T12-027 |
| 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 | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | BEVELED (TUBE) SECOND END |
| Tubing Wall Nominal Thickness for Which Designed | 0.027 INCHES SECOND END IN |
| Nominal Overall Length | 1.047 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | BUTT WELD TUBE SECOND END |
| Style Designator | RIGID, CENTER WRENCHING FACILITY |
| Material Document and Classification | AMS4965,4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 16 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 |
|---|---|
| AP420T12-027 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 07A090-12-27 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 07A090-12-27 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE17123-12-27 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| R44276T | D/9 Drawing number reference only Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
NSN 4730-01-328-1374 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 4730-01-328-1374 has 4 manufacturer part numbers on file: AP420T12-027 (Sps Technologies, Llc Dba Airdrome Precision Components), 07A090-12-27 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 07A090-12-27 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE17123-12-27 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-328-1376. Verify interchangeability with system specifications before substitution.
Key specifications for AP420T12-027: Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: BEVELED (TUBE) SECOND END; Tubing Wall Nominal Thickness for Which Designed: 0.027 INCHES SECOND END IN; Nominal Overall Length: 1.047 INCHES IN. 16 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.