The Union,tube, cataloged under National Stock Number 4730-01-705-6987, 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 Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-705-6987 |
| Primary Part Number | 7NG0057-0810 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Nominal Overall Length | 1.431 INCHES IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | SWIVEL, WRENCHING FACILITIES EACH END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.50 INCHES FIRST END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | TITANIUM ALLOY BODY |
| 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 |
|---|---|
| AP319T1008 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP3313T0810 | Aerofit, Llc (USA) |
| R45280T-0810 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| 7NG0057-0810 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 7NG0057 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 4730-01-705-6987 is a Union,tube, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-705-6987 has 4 manufacturer part numbers on file: AP319T1008 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP3313T0810 (Aerofit, Llc), R45280T-0810 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), 7NG0057-0810 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-719-4556. Verify interchangeability with system specifications before substitution.
Key specifications for 7NG0057-0810: Nominal Overall Length: 1.431 INCHES IN; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: SWIVEL, WRENCHING FACILITIES EACH END; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES SECOND END IN. 7 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.