PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-365Bolt,machine

Goodrich Corporation · NSN 5306-00-688-1815 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-688-1815 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-688-1815. Primary manufacturer part number: 43-365.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 28
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Width Between Flats: 0.440 INCHES NOMINAL IN
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Series Designator: UNF
  • Material Document and Classification: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp E4340 or Steel Comp 6150 or Steel Comp 8735 or Steel Comp 8740 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-688-1815, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goodrich Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-688-1815
Primary Part Number43-365
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGoodrich Corporation
StatusACTIVE
Thread Quantity Per Inch28
Nominal Thread Diameter0.250 INCHES IN
Width Between Flats0.440 INCHES NOMINAL IN
Hardness Rating32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
Thread Class3A A
Grip Length4.274 INCHES MINIMUM AND 4.306 INCHES MAXIMUM IN
Head StyleHEXAGON
Thread Length0.529 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Fastener Length4.803 INCHES MINIMUM AND 4.850 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-357-211343365 INTERCHANGEABLE
Gasket
Jenny Products, Inc
5950-00-466-325343365 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
4320-01-301-809243365 INTERCHANGEABLE
Piston,pump
Bourns Inc
4810-01-373-036843365 INTERCHANGEABLE
Cap,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6695-01-730-973643365 INTERCHANGEABLE
Indicator,liquid Quantity-Pressu
Yellow Jacket Movers Inc
Cross-Reference Index
Part NumberManufacturer
43-365 PRIMARY Goodrich Corporation (USA)
Related Parts
5330-00-357-2113INTERCHANGEABLE
GASKET
43365
5950-00-466-3253INTERCHANGEABLE
TRANSFORMER,POWER
43365
4320-01-301-8092INTERCHANGEABLE
PISTON,PUMP
43365
4810-01-373-0368INTERCHANGEABLE
CAP,VALVE
43365
6695-01-730-9736INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY-PRESSU
43365

Frequently Asked Questions

What is NSN 5306-00-688-1815?

NSN 5306-00-688-1815 is a Bolt,machine, manufactured by Goodrich Corporation, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-688-1815?

NSN 5306-00-688-1815 has 1 cross-referenced part number: 43-365 (Goodrich Corporation).

What NSN replaces 5306-00-688-1815?

There are 5 known substitutes for 5306-00-688-1815: 5330-00-357-2113, 5950-00-466-3253, 4320-01-301-8092 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-365?

Key specifications for 43-365: Thread Quantity Per Inch: 28; Nominal Thread Diameter: 0.250 INCHES IN; Width Between Flats: 0.440 INCHES NOMINAL IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com