The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-649-6563, 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 Fairbanks Morse, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-649-6563 |
| Primary Part Number | 2321564-1 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Second End Thread Quantity Per Inch | 16 |
| Body Style | SHOULDER |
| First End Thread Quantity Per Inch | 16 |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 1.531 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| Wrenching Feature Style | ROUND |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Connection Type | THREADED INTERNAL TUBE |
| First End Nominal Thread Size | 0.750 INCHES IN |
| Head Diameter | 0.750 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 |
|---|---|
| 2321564-1 | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2321564-1 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 2321564 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 4730-00-649-6563 is a Bolt,fluid Passage, manufactured by Fairbanks Morse, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-649-6563 has 1 manufacturer part number on file: 2321564-1 (Fairbanks Morse, Llc).
Key specifications for 2321564-1: First End Thread Series Designator: UNF; Second End Thread Quantity Per Inch: 16; Body Style: SHOULDER; First End Thread Quantity Per Inch: 16. 14 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.