The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-628-7282, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-628-7282 |
| Primary Part Number | 537035-3 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 24 |
| Second End Nominal Thread Size | 0.312 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 0.180 INCHES NOMINAL IN |
| Second End Thread Class | 3A A |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE |
| Third Diameter From Wrenching Feature | 0.757 INCHES NOMINAL IN |
| Body Style | BODY WRENCHING |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 16 |
| Length From Bearing Surface of Wrenching Feature to End of Third Diameter | 2.720 INCHES NOMINAL IN |
| Second Diameter From Wrenching Feature | 0.665 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.540 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.710 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 1.680 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 5.020 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.180 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| First Radial Fluid Hole Diameter | 0.144 INCHES NOMINAL IN |
| Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter | 4.310 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.309 INCHES NOMINAL IN |
| Material | STEEL |
| Second End Thread Length | 0.615 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 537035-3 | Horst Engineering & Manufacturing Co (USA) |
| 537035-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 537035-3 | 5/9 Secondary reference Hartford Aircraft Products, Inc |
| 537035-3 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
NSN 4730-00-628-7282 is a Bolt,fluid Passage, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-628-7282 has 2 manufacturer part numbers on file: 537035-3 (Horst Engineering & Manufacturing Co), 537035-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 537035-3: First End Thread Series Designator: UNF; Width Across Flats: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 24. 28 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.
NSN 4730-00-628-7282 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.