The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-418-4907, 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 Asrc Federal Facilities Logistics, Llc. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-418-4907 |
| Primary Part Number | 65A81C45 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Asrc Federal Facilities Logistics, Llc |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Width Across Flats | 0.828 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 4.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 2.750 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.375 INCHES NOMINAL IN |
| Second End Thread Series Designator | NPTF |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| First End Thread Length | 1.500 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | ASTM A575 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A663 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 5.500 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| First Radial Fluid Hole Diameter | 0.125 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 2.750 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Thread Length | 0.500 INCHES NOMINAL IN |
| Second End Connection Type | THREADED INTERNAL PIPE |
| First Diameter From Wrenching Feature | 0.554 INCHES MINIMUM AND 0.562 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 |
|---|---|
| 65A81C45 PRIMARY | Asrc Federal Facilities Logistics, Llc (USA) |
| 65A81C45 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 65A81C45 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-418-4907 is a Bolt,fluid Passage, manufactured by Asrc Federal Facilities Logistics, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-418-4907 has 2 manufacturer part numbers on file: 65A81C45 (Asrc Federal Facilities Logistics, Llc), 65A81C45 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 65A81C45: First End Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Width Across Flats: 0.828 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.250 INCHES IN. 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.