The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-124-3731, 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 Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-124-3731 |
| Primary Part Number | 42312D259 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Length | 0.621 INCHES SECOND END IN |
| Nominal Overall Length | 0.910 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nominal Width | 0.621 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Material | STEEL COMP 316 OR STEEL COMP 347 OVERALL |
| Thread Series Designator | UNF FIRST END |
| Nominal Thickness | 0.160 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42312D259 | Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 42312D259 | 3/2 Design control — primary reference U.S. Government activity |
| 10108583 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-124-3731 is a Adapter,straight,flange to Tube, manufactured by Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-124-3731 has 1 manufacturer part number on file: 42312D259 (Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc).
Key specifications for 42312D259: Flange Shape: RECTANGULAR SECOND END; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Length: 0.621 INCHES SECOND END IN. 16 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.
NSN 4730-01-124-3731 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.