The Flange,pipe, cataloged under National Stock Number 4730-01-307-7217, 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 22 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 | 4730-01-307-7217 |
| Primary Part Number | 12367401 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 1.500 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.588 INCHES NOMINAL IN |
| Neck Height | 1.180 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/7 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | COUNTERBORED BOLT HOLES |
| Flange Length | 4.000 INCHES NOMINAL IN |
| Nominal Thread Size | 1.875 INCHES IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.062 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN |
| Center to Center Distance Between Bolt Holes Along Width | 1.687 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.777 INCHES NOMINAL IN |
| Flange Width | 3.250 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY |
| Neck Diameter | 1.880 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.469 INCHES NOMINAL IN |
| Thickness | 0.820 INCHES NOMINAL 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 |
|---|---|
| 12367401 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-307-7217 is a Flange,pipe, 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 4730-01-307-7217 has 1 manufacturer part number on file: 12367401 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12367401: Face Seating Surface Condition: MACHINED; Tube Outside Diameter for Which Designed: 1.500 INCHES NOMINAL IN; Flange Section Style: PLAIN FACE, LONG NECK; Style Designator: RECTANGULAR, WITH BOLT HOLES. 22 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.