The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-155-7657, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-155-7657 |
| Primary Part Number | AE16685-10 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.875 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2B ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNEF SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| AE16685-10 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| R44238P-10 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| Reference | Meaning |
|---|---|
| GF503DG10 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 4730-00-155-7657 is a Adapter,straight,tube to Boss, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-155-7657 has 2 manufacturer part numbers on file: AE16685-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), R44238P-10 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division).
Key specifications for AE16685-10: Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 1.875 INCHES IN; Connection Type: THREADED INTERNAL BOSS SECOND END. 12 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.