The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-157-1037, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-157-1037 |
| Primary Part Number | 325699PC1 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND END |
| Surface Treatment Document and Classification | QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (TUBE) FIRST END |
| Bolt Circle Nominal Diameter | 1.125 INCHES SECOND END IN |
| Nominal Overall Length | 1.688 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Bolt Hole Nominal Diameter | 0.140 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2B FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST END |
| Nominal Thickness | 0.188 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 |
NSN 4730-00-157-1037 is a Adapter,straight,flange to Tube, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-157-1037 has 2 manufacturer part numbers on file: 325699PC1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 325699PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 325699PC1: Flange Shape: OVAL WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND END; Surface Treatment Document and Classification: QQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) FIRST END. 17 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.