The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-975-7569, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-975-7569 |
| Primary Part Number | 4AF4316 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 1.438 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 4AF4316 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| SS-4-TA-7-4 PRIMARY | Swagelok Co (USA) |
| CV0544-011 | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| 4-4 T2HG-SS PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| SS-401-A-4F | Swagelok Co (USA) |
| 107A850 | Varo Llc (USA) |
| Reference | Meaning |
|---|---|
| 11465256 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 401-A-4F-316 | 5/9 Secondary reference Swagelok Co |
| 723-FSS1/4X1/4 | 5/9 Secondary reference Parker Hannifin Corp Hose Products Div |
| 804792-1 | 3/2 Design control — primary reference U.S. Government activity |
| SS-4-TA-7-4 | 5/9 Secondary reference Cajon Co |
NSN 4730-00-975-7569 is a Adapter,straight,pipe to Tube, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-975-7569 has 6 manufacturer part numbers on file: 4AF4316 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), SS-4-TA-7-4 (Swagelok Co), CV0544-011 (Northrop Grumman Corp Electronic Systems Defensive System Div), 4-4 T2HG-SS (Parker-Hannifin Corporation Div Instrumentation Products Division), SS-401-A-4F (Swagelok Co) and 1 more.
Key specifications for 4AF4316: Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 1.438 INCHES IN; Connection Type: THREADED INTERNAL PIPE SECOND END; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END. 11 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.