The Coupling,tube, cataloged under National Stock Number 4730-01-347-7344, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-347-7344 |
| Primary Part Number | 07A276-04 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TYPE 2 CLASS 2,DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS |
| Nominal Overall Length | 1.550 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | SWIVEL, WRENCHING FACILITIES EACH END |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B ALL ENDS |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| 07A276-04 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AP257D04 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 32290D04 | 3/9 Design control — primary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
NSN 4730-01-347-7344 is a Coupling,tube, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-347-7344 has 2 manufacturer part numbers on file: 07A276-04 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), AP257D04 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for 07A276-04: Surface Treatment Document and Classification: MIL-A-8625 TYPE 2 CLASS 2,DYED BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS; Nominal Overall Length: 1.550 INCHES IN; Connection Type: THREADED INTERNAL TUBE ALL ENDS. 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.