The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-308-3322, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. 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 | 4730-00-308-3322 |
| Primary Part Number | 272-4500050 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 1.062 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 | 2.367 INCHES NOMINAL IN |
| Second End Thread Class | 2B |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL B FED SPEC 1ST TREATMENT RESPONSE AND MIL-P-6871,TY 2 MIL SPEC 2ND TREATMENT RESPONSE |
| Body Style | SHOULDER |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.141 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Second Diameter From Wrenching Feature | 0.482 INCHES NOMINAL IN |
| Concentric Hole Depth | 1.531 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.312 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.905 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | MIL-S-5625,COND F MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 2.445 INCHES NOMINAL IN |
| Second End Style Designator | DOUBLE COMPRESSION |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 3.250 INCHES NOMINAL IN |
| Second End Seat Radius | 0.036 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.093 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.328 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMIUM |
| First Radial Fluid Hole Diameter | 0.064 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 2.011 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 |
|---|---|
| 272-4500050 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 4730-00-308-3322 is a Bolt,fluid Passage, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-308-3322 has 1 manufacturer part number on file: 272-4500050 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 272-4500050: First End Thread Series Designator: UNF; Width Across Flats: 1.062 INCHES NOMINAL IN; First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.250 INCHES 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.