The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-204-2299, 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 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-204-2299 |
| Primary Part Number | 3M1043-4-14-50 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| First End Thread Direction | RIGHT-HAND |
| Second End Nominal Thread Size | 0.138 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.875 INCHES NOMINAL IN |
| Second End Thread Class | 3B |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.079 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 0.500 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.250 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNJC |
| First End Thread Length | 0.468 INCHES NOMINAL IN |
| Wrenching Feature Style | ROUND |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | DOUBLE COMPRESSION |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.343 INCHES NOMINAL IN |
| Second End Seat Radius | 0.030 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| Distance From Bolt End to Hole Center | 0.187 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| First Radial Fluid Hole Diameter | 0.060 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.843 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Thread Length | 0.500 INCHES NOMINAL IN |
| Second End Connection Type | THREADED INTERNAL TUBE |
| 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 |
|---|---|
| 3M1043-4-14-50 | Hi-Shear Corporation (USA) |
| 3M1043-4-14-50 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 3M1043-4-14-50 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1043-4-14-50 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 11841-4-14-50 | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3M1043-4-14-50 | 5/2 Secondary reference U.S. Government activity |
| 3M1043 | D/9 Drawing number reference only The Boeing Company Div Defense |
| 3M1043-4-14-50 | 5/9 Secondary reference The Boeing Company Div Defense |
| 3M1043-4-14-50 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-204-2299 is a Bolt,fluid Passage, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-204-2299 has 5 manufacturer part numbers on file: 3M1043-4-14-50 (Hi-Shear Corporation), 3M1043-4-14-50 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 3M1043-4-14-50 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M1043-4-14-50 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), 11841-4-14-50 (Reid Products Inc. Dba Reid Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-214-1489. Verify interchangeability with system specifications before substitution.
Key specifications for 3M1043-4-14-50: First End Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); First End Thread Direction: RIGHT-HAND; Second End Nominal Thread Size: 0.138 INCHES IN; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 0.875 INCHES NOMINAL 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.