The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-377-3036, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-377-3036 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Width Across Flats | 1.621 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 | 2.658 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Body Style | SHOULDER |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.110 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.779 INCHES NOMINAL IN |
| Concentric Hole Depth | 2.556 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.560 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 1.036 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 2.858 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 3.894 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.110 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 0.110 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Second End Connection Type | THREADED INTERNAL TUBE |
| First Diameter From Wrenching Feature | 1.220 INCHES NOMINAL IN |
| 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 |
| Reference | Meaning |
|---|---|
| 17P6W8247-7 | 3/2 Design control — primary reference U.S. Government activity |
| 17P6W8247 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-377-3036 is a Bolt,fluid Passage, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-377-3123, 4730-01-377-3208, 4730-01-466-7450. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-377-3036: First End Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Width Across Flats: 1.621 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.250 INCHES IN. 27 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.