The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-540-3856, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-540-3856 |
| Primary Part Number | 12326450 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Thread Class | 2A FIRST END A |
| Material | STEEL COMP 1015 AND STEEL COMP 1025 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 12326450 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| W-32 | 3/9 Design control — primary reference Hydro-Craft, Inc. |
NSN 4730-01-540-3856 is a Adapter,straight,pipe to Boss, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-540-3856 has 1 manufacturer part number on file: 12326450 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12326450: Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Thread Size: 0.375 INCHES FIRST END IN; Special Features: ITEMS INCLUDED: ADAPTER (12326450-1) AND SCREW (B1821BH038C100N); Part Name Assigned by Controlling Agency: ADAPTER, WELD. 5 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.