The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-047-3946, 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 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-047-3946 |
| Primary Part Number | 8710628 |
| 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 |
| First End Thread Series Designator | UNF |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 14 |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 4.044 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| Cotter Pin Hole Diameter | 0.140 INCHES NOMINAL IN |
| First End Thread Quantity Per Inch | 28 |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 2.656 INCHES NOMINAL IN |
| Second End Seat Angle | 90.0 DEGREES NOMINAL |
| Wrenching Feature Height | 0.375 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.750 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-P-416 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| First End Seat Angle | 45.0 DEGREES NOMINAL |
| First End Seat Radius | 0.060 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 4.690 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.218 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.062 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.140 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 2.656 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 |
|---|---|
| 8710628 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4730000473946 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 4730-00-047-3946 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 4730-00-047-3946 has 1 manufacturer part number on file: 8710628 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8710628: First End Thread Series Designator: UNF; Width Across Flats: 1.500 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 14. 28 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.