The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-162-8961, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-162-8961 |
| Primary Part Number | 70311-22102-101 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Recess Nominal Depth | 0.062 INCHES SECOND END IN |
| Flange Shape | HEXAGON SECOND END |
| Nominal Width Across Flats | 1.000 INCHES SECOND END IN |
| Flange Face Design | RECESSED WITH GASKET GROOVE SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Overall Length | 1.330 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | MIL-S-7720,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Nominal Thickness | 0.125 INCHES SECOND END IN |
| Recess Nominal Diameter | 1.000 INCHES SECOND END IN |
| 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 |
|---|---|
| 70311-22102-101 | P.s. Machine Company, Inc. (USA) |
| 70311-22102-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70311-22102-101 | Stevens Manufacturing Co., Inc. (USA) |
| 70311-22102-101 | Massie R P and Sons Inc (USA) |
| Reference | Meaning |
|---|---|
| 70311-22102 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4730-01-162-8961 is a Adapter,straight,flange to Tube, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-162-8961 has 4 manufacturer part numbers on file: 70311-22102-101 (P.s. Machine Company, Inc.), 70311-22102-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70311-22102-101 (Stevens Manufacturing Co., Inc.), 70311-22102-101 (Massie R P and Sons Inc).
Key specifications for 70311-22102-101: Recess Nominal Depth: 0.062 INCHES SECOND END IN; Flange Shape: HEXAGON SECOND END; Nominal Width Across Flats: 1.000 INCHES SECOND END IN; Flange Face Design: RECESSED WITH GASKET GROOVE SECOND END. 18 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.