The Flange,pipe, cataloged under National Stock Number 4730-01-172-7893, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-172-7893 |
| Primary Part Number | 12325534 |
| 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 | 15.0 DEGREES NOMINAL |
| Face Seating Surface Condition | UNFINISHED |
| Flange Section Style | BEVELED FACE |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.562 INCHES MINIMUM AND 0.614 INCHES MAXIMUM IN |
| Bevel Depth | 0.132 INCHES NOMINAL IN |
| Flange Length | 4.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.062 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.687 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.782 INCHES NOMINAL IN |
| Flange Width | 3.250 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.469 INCHES NOMINAL IN |
| Thickness | 2.000 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 |
|---|---|
| 12325534 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10086240 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-172-7893 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 4730-01-172-7893 has 1 manufacturer part number on file: 12325534 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12325534: Face Bevel Angle: 15.0 DEGREES NOMINAL; Face Seating Surface Condition: UNFINISHED; Flange Section Style: BEVELED FACE; Style Designator: RECTANGULAR, WITH BOLT HOLES. 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.