The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-480-5403, 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 D. W. Industries, Inc. Dba Dw Ind. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-480-5403 |
| Primary Part Number | F6400-20-16 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | D. W. Industries, Inc. Dba Dw Ind |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 FLARED SLEEVE AND 1 SHORT COUPLING NUT |
| Surface Treatment Document and Classification | ASTM B633, TYPE 11, CLASS FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Overall Length | 59.0 MILLIMETERS MM |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 1.312 MILLIMETERS SECOND END MM |
| Nominal Thread Size | 1.625 MILLIMETERS FIRST END MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| 12421890-002 | Amz Alabama Inc. (USA) |
| F6400-20-16 PRIMARY | D. W. Industries, Inc. Dba Dw Ind (USA) |
| F6400-20-16 PRIMARY | Air-Way Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 12421890 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12421890-002 | 7/2 Vendor item drawing reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
NSN 4730-01-480-5403 is a Adapter,straight,pipe to Boss, manufactured by D. W. Industries, Inc. Dba Dw Ind, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-480-5403 has 3 manufacturer part numbers on file: 12421890-002 (Amz Alabama Inc.), F6400-20-16 (D. W. Industries, Inc. Dba Dw Ind), F6400-20-16 (Air-Way Manufacturing Company).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-482-7989. Verify interchangeability with system specifications before substitution.
Key specifications for F6400-20-16: Furnished Items and Quantity: 1 FLARED SLEEVE AND 1 SHORT COUPLING NUT; Surface Treatment Document and Classification: ASTM B633, TYPE 11, CLASS FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Nominal Overall Length: 59.0 MILLIMETERS MM; Connection Type: THREADED EXTERNAL BOSS SECOND END. 14 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.