The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-186-4967, 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 29 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 | 4730-00-186-4967 |
| Primary Part Number | 8344244 |
| 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 | UNEF |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.125 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 3.115 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633 ASSN STD 1ST TREATMENT RESPONSE AND QQ-P-416 TY II,CL 3 FED SPEC 2ND TREATMENT RESPONSE |
| Body Style | SHOULDER |
| Distance From Centerline to Flat | 0.750 INCHES NOMINAL IN |
| First End Thread Class | 2A A |
| Cotter Pin Hole Diameter | 0.136 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 1.156 INCHES NOMINAL IN |
| Concentric Hole Depth | 2.250 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.500 INCHES NOMINAL IN |
| Second End Thread Series Designator | NPSF |
| First End Thread Length | 0.661 INCHES NOMINAL IN |
| Wrenching Feature Style | ROUND WITH WRENCH FLATS |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 3.245 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 3.906 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Distance From Bolt End to Hole Center | 0.156 INCHES NOMINAL IN |
| Surface Treatment | ZINC OR CADMIUM |
| First Radial Fluid Hole Diameter | 0.218 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 2.343 INCHES NOMINAL IN |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1119 OR STEEL COMP 1120 |
| Second End Thread Length | 0.312 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 |
|---|---|
| 8344244 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-00-186-4967 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 4730-00-186-4967 has 1 manufacturer part number on file: 8344244 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8344244: First End Thread Series Designator: UNEF; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.125 INCHES IN; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 3.115 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN. 29 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.