The Coupling,boss, cataloged under National Stock Number 4730-01-106-7797, 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 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-106-7797 |
| Primary Part Number | 12298622 |
| Item Name | Coupling,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Flange Face Design | PLAIN FIRST END |
| Bolt Circle Nominal Diameter | 10.975 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 10.975 INCHES SECOND END IN |
| Nominal Overall Length | 4.250 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | GROOVED AND FLANGED |
| Bolt Hole Nominal Diameter | 0.390 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.390 INCHES FIRST END IN |
| Nominal Outside Diameter | 12.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 12.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 13 SECOND END |
| Bolt Hole Quantity | 13 FIRST END |
| Material | ALUMINUM OVERALL |
| Nominal Thickness | 3.406 INCHES FIRST END IN |
| Nominal Thickness | 3.406 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 |
| Part Number | Manufacturer |
|---|---|
| 12298622 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-106-7797 is a Coupling,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 4730-01-106-7797 has 1 manufacturer part number on file: 12298622 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12298622: Flange Shape: ROUND WITH HOLES FIRST END; Flange Shape: ROUND WITH HOLES SECOND END; Flange Face Design: RAISED STRAIGHT SECOND END; Flange Face Design: PLAIN FIRST END. 19 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.