The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-729-1045, 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 9 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 | 4730-01-729-1045 |
| Primary Part Number | 12740159 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 17.0 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | STM B695 CLASS 55 TYPE 1 NATIONAL STD SINGLE TREATMENT RESPONSE |
| Cotter Pin Hole Diameter | 5.0 MILLIMETERS MAXIMUM MM |
| Wrenching Feature Height | 5.0 MILLIMETERS NOMINAL MM |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | A 307 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE |
| Specification/standard Data | MIL-STD-130 GOVERNMENT SPECIFICATION |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 36.7 MILLIMETERS NOMINAL MM |
| Material | STEEL |
| 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 |
|---|---|
| 12740159 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-729-1045 is a Bolt,fluid Passage, 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 4730-01-729-1045 has 1 manufacturer part number on file: 12740159 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12740159: Width Across Flats: 17.0 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: STM B695 CLASS 55 TYPE 1 NATIONAL STD SINGLE TREATMENT RESPONSE; Cotter Pin Hole Diameter: 5.0 MILLIMETERS MAXIMUM MM; Wrenching Feature Height: 5.0 MILLIMETERS NOMINAL MM. 9 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.