The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-426-8978, 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 Titan Wheel Corporation of Illinois. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-426-8978 |
| Primary Part Number | 1665-17-13 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Titan Wheel Corporation of Illinois |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 1.063 INCHES NOMINAL IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.297 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 2A A |
| Cotter Pin Hole Diameter | 0.156 INCHES NOMINAL IN |
| First End Thread Quantity Per Inch | 14 |
| Second Diameter From Wrenching Feature | 0.872 INCHES MINIMUM AND 0.878 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.438 INCHES NOMINAL IN |
| Second End Thread Series Designator | NPT |
| First End Thread Length | 1.250 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 3.750 INCHES NOMINAL IN |
| Second End Style Designator | PLAIN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 5.000 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.250 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.250 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.156 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 3.375 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 |
| Second End Connection Type | THREADED INTERNAL PIPE |
| First End Nominal Thread Size | 0.875 INCHES 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 |
|---|---|
| 1665-17-13 | Titan Wheel Corporation of Illinois (USA) |
| T2102 | Crane Carrier Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| T2102 | 3/2 Design control — primary reference U.S. Government activity |
| 2424-17-4 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-426-8978 is a Bolt,fluid Passage, manufactured by Titan Wheel Corporation of Illinois, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-426-8978 has 2 manufacturer part numbers on file: 1665-17-13 (Titan Wheel Corporation of Illinois), T2102 (Crane Carrier Company, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 3895-01-221-7410, 5365-01-586-5858. Verify interchangeability with system specifications before substitution.
Key specifications for 1665-17-13: First End Thread Series Designator: UNF; Width Across Flats: 1.063 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.297 INCHES NOMINAL IN. 26 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.