The Coupling,tube, cataloged under National Stock Number 4730-01-705-5262, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-705-5262 |
| Primary Part Number | 7NG0057-0808 |
| Item Name | Coupling,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 |
| Surface Treatment Document and Classification | MIL-PRF-46010 DEF STAN/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Material Document and Classification | AMS4965 AEROSPACE MATERIAL SPEC STD 13TH MATERIAL RESPONSE OVERALL |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.364 INCHES NOMINAL ALL ENDS IN |
| Nominal Outside Diameter | 0.875 INCHES ALL ENDS IN |
| Surface Treatment | LUBRICANT DRY FILM OVERALL |
| Media for Which Designed | AERONAUTICAL FLUID SINGLE RESPONSE |
| Material | TITANIUM ALLOY OVERALL |
| 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 |
|---|---|
| 7NG0057-0808 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| AP319T08 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP3313T0808 | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7NG0057 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 4730-01-705-5262 is a Coupling,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 4730-01-705-5262 has 3 manufacturer part numbers on file: 7NG0057-0808 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), AP319T08 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP3313T0808 (Aerofit, Llc).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-705-5619, 4730-01-705-5880, 4730-01-705-6164. Verify interchangeability with system specifications before substitution.
Key specifications for 7NG0057-0808: Surface Treatment Document and Classification: MIL-PRF-46010 DEF STAN/SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Material Document and Classification: AMS4965 AEROSPACE MATERIAL SPEC STD 13TH MATERIAL RESPONSE OVERALL. 10 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.