PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5B1-6Bolt,machine

The Boeing Company Div Legacy Am&m · NSN 5306-00-298-2941 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-298-2941 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-298-2941. Primary manufacturer part number: 5B1-6.
Features
  • Bolt,machine — FSC 5306
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Material: STEEL COMP 4130 OVERALL
  • Features Provided: FINISHED HEAD
  • Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
  • Head Height: 0.125 INCHES NOMINAL IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-298-2941, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-298-2941
Primary Part Number5B1-6
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Am&m
StatusACTIVE
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL COMP 4130 OVERALL
Features ProvidedFINISHED HEAD
Width Between Flats0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Head Height0.125 INCHES NOMINAL IN
Fastener Length0.750 INCHES NOMINAL IN
Thread Class3A A
Nominal Thread Diameter0.190 INCHES IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Thread Length0.688 INCHES MINIMUM IN
Thread Quantity Per Inch32
Surface TreatmentCADMIUM OR ZINC OVERALL
Material Document and ClassificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-192-33975B16 INTERCHANGEABLE
Plate,retaining,shaft
Maney Aircraft, Inc. Dba Maney Aircraft
3040-00-752-11415B16 INTERCHANGEABLE
Bell Crank
Dana Corp Spicer Transmission Div
4820-00-855-51185B16 INTERCHANGEABLE
Seat,valve
Watts Regulator Company
Cross-Reference Index
Part NumberManufacturer
5B1-6 PRIMARY The Boeing Company Div Legacy Am&m (USA)
Related Parts
3040-00-192-3397INTERCHANGEABLE
PLATE,RETAINING,SHAFT
5B16
3040-00-752-1141INTERCHANGEABLE
BELL CRANK
5B16
4820-00-855-5118INTERCHANGEABLE
SEAT,VALVE
5B16

Frequently Asked Questions

What is NSN 5306-00-298-2941?

NSN 5306-00-298-2941 is a Bolt,machine, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-298-2941?

NSN 5306-00-298-2941 has 1 cross-referenced part number: 5B1-6 (The Boeing Company Div Legacy Am&m).

What NSN replaces 5306-00-298-2941?

There are 3 known substitutes for 5306-00-298-2941: 3040-00-192-3397, 3040-00-752-1141, 4820-00-855-5118. Verify interchangeability with system specifications before substitution.

What are the specifications of 5B1-6?

Key specifications for 5B1-6: Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS; Material: STEEL COMP 4130 OVERALL; Features Provided: FINISHED HEAD; Width Between Flats: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN. 15 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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