PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

537035-7Bolt,fluid Passage

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 4730-00-628-7238 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-628-7238 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-628-7238. Primary manufacturer part number: 537035-7.
Features
  • Bolt,fluid Passage — FSC 4730
  • Length From Bearing Surface of Wrenching Feature to End of Second Diameter: 1.680 INCHES NOMINAL IN
  • First End Thread Quantity Per Inch: 16
  • Fourth Diameter From Wrenching Feature: 0.660 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN
  • Second Diameter From Wrenching Feature: 0.665 INCHES NOMINAL IN
  • Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter: 4.310 INCHES NOMINAL IN
  • First End Thread Series Designator: UNF
  • First Diameter From Wrenching Feature: 1.052 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel construction
General Description

The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-628-7238, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-628-7238
Primary Part Number537035-7
Item NameBolt,fluid Passage
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Length From Bearing Surface of Wrenching Feature to End of Second Diameter1.680 INCHES NOMINAL IN
First End Thread Quantity Per Inch16
Fourth Diameter From Wrenching Feature0.660 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN
Second Diameter From Wrenching Feature0.665 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to End of Fourth Diameter4.310 INCHES NOMINAL IN
First End Thread Series DesignatorUNF
First Diameter From Wrenching Feature1.052 INCHES MINIMUM AND 1.062 INCHES MAXIMUM IN
MaterialSTEEL
Body StyleBODY WRENCHING
Concentric Hole Diameter0.180 INCHES NOMINAL IN
Width Across Flats0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
Length From Bearing Surface of Wrenching Feature to End of Third Diameter2.720 INCHES NOMINAL IN
Third Diameter From Wrenching Feature0.759 INCHES NOMINAL IN
First End Nominal Thread Size0.750 INCHES IN
First Radial Fluid Hole Diameter0.144 INCHES NOMINAL IN
Second End Nominal Thread Size0.312 INCHES IN
First End Thread Length0.710 INCHES NOMINAL IN
Surface TreatmentCADMIUM
Distance From First Radial Hole Center to End of Bolt0.309 INCHES NOMINAL IN
Length From Bearing Surface of Wrenching Feature to End of First Diameter0.180 INCHES NOMINAL IN
Wrenching Feature StyleHEXAGON
First End Thread DirectionRIGHT-HAND
First End Thread Class3A A
Length From Bearing Surface of Wrenching Feature to Bolt End5.020 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE
Second End Thread Quantity Per Inch24
Wrenching Feature Height0.540 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-135-7135537035-7 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
537035-7 Hartford Aircraft Products, Inc (USA)
537035-7 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
537035-7 Horst Engineering & Manufacturing Co (USA)
537035-7 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
Related Parts
5961-00-135-7135INTERCHANGEABLE
TRANSISTOR
537035-7

Frequently Asked Questions

What is NSN 4730-00-628-7238?

NSN 4730-00-628-7238 is a Bolt,fluid Passage, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-628-7238?

NSN 4730-00-628-7238 has 4 cross-referenced part numbers: 537035-7 (Hartford Aircraft Products, Inc), 537035-7 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 537035-7 (Horst Engineering & Manufacturing Co), 537035-7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).

What NSN replaces 4730-00-628-7238?

There is 1 known substitute for 4730-00-628-7238: 5961-00-135-7135. Verify interchangeability with system specifications before substitution.

What are the specifications of 537035-7?

Key specifications for 537035-7: Length From Bearing Surface of Wrenching Feature to End of Second Diameter: 1.680 INCHES NOMINAL IN; First End Thread Quantity Per Inch: 16; Fourth Diameter From Wrenching Feature: 0.660 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN; Second Diameter From Wrenching Feature: 0.665 INCHES NOMINAL IN. 29 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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