The Flange,pipe, cataloged under National Stock Number 4730-00-406-7308, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-406-7308 |
| Primary Part Number | 8761138 |
| 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 |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE |
| Bolt Hole Diameter | 0.234 INCHES NOMINAL IN |
| Flange Length | 3.562 INCHES MINIMUM AND 3.572 INCHES MAXIMUM IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 2 |
| Surface Treatment | CADMIUM OR ZINC |
| Center to Center Distance Between Bolt Holes Along Width | 2.745 INCHES MINIMUM AND 2.755 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.380 INCHES NOMINAL IN |
| Flange Width | 3.505 INCHES MINIMUM AND 3.515 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM 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 |
|---|---|
| 8761138 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4730004067308 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 4730004067308 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 4730-00-406-7308 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 4730-00-406-7308 has 1 manufacturer part number on file: 8761138 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8761138: Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TYPE 2,CLASS 2 FED SPEC 2ND TREATMENT RESPONSE; Bolt Hole Diameter: 0.234 INCHES NOMINAL IN; Flange Length: 3.562 INCHES MINIMUM AND 3.572 INCHES MAXIMUM IN; Reducer Flange Hole Type: CONCENTRIC. 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.