The Elbow,pipe to Boss, cataloged under National Stock Number 4730-01-657-6825, 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 Air-Way Manufacturing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-657-6825 |
| Primary Part Number | F6801-20-16 |
| Item Name | Elbow,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air-Way Manufacturing Company |
| Status | ACTIVE |
| Nominal Width Across Flats | 1.5 INCHES FIRST END IN |
| Nominal Length | 52.0 MILLIMETERS SECOND END MM |
| Nominal Length | 57.0 MILLIMETERS FIRST END MM |
| Nominal Inside Diameter Hose Accommodated | 0.21 INCHES FIRST END IN |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Style Designator | ELBOW |
| Surface Treatment | ZINC OVERALL |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UN 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 |
|---|---|
| F6801-20-16 PRIMARY | Air-Way Manufacturing Company (USA) |
| 12421891-002 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 12421891-002 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-657-6825 is a Elbow,pipe to Boss, manufactured by Air-Way Manufacturing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-657-6825 has 2 manufacturer part numbers on file: F6801-20-16 (Air-Way Manufacturing Company), 12421891-002 (Oshkosh Defense Llc).
Key specifications for F6801-20-16: Nominal Width Across Flats: 1.5 INCHES FIRST END IN; Nominal Length: 52.0 MILLIMETERS SECOND END MM; Nominal Length: 57.0 MILLIMETERS FIRST END MM; Nominal Inside Diameter Hose Accommodated: 0.21 INCHES FIRST END IN. 11 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.