The Flange,pipe, cataloged under National Stock Number 4730-00-177-8536, 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 15 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 | 4730-00-177-8536 |
| Primary Part Number | 11641816 |
| 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 Bevel Angle | 45.0 DEGREES NOMINAL |
| Flange End Radius | 0.280 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | BEVELED FACE |
| Style Designator | OVAL, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.280 INCHES NOMINAL IN |
| Bevel Depth | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE AND 66 FED STD 2ND MATERIAL RESPONSE |
| Flange Length | 2.120 INCHES NOMINAL IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 1.560 INCHES NOMINAL IN |
| Flange Width | 1.200 INCHES NOMINAL IN |
| Material | STEEL COMP 1010 AND STEEL COMP 1020 |
| Thickness | 0.220 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 |
|---|---|
| 11641816 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-00-177-8536 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 4730-00-177-8536 has 1 manufacturer part number on file: 11641816 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11641816: Face Bevel Angle: 45.0 DEGREES NOMINAL; Flange End Radius: 0.280 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: BEVELED FACE. 15 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.