PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LL6-7Bolt,machine

Long-Lok, Llc · NSN 5306-00-885-8547 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-885-8547 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-885-8547. Primary manufacturer part number: LL6-7.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Head Style: HEXAGON
  • Surface Treatment: CADMIUM OVERALL
  • Locking Feature: STRIP THREADS
  • Material: STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OVERALL
  • Features Provided: FINISHED HEAD
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp 4130 or Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-885-8547, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Long-Lok, Llc. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-885-8547
Primary Part NumberLL6-7
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerLong-Lok, Llc
StatusACTIVE
Width Between Flats0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Head StyleHEXAGON
Surface TreatmentCADMIUM OVERALL
Locking FeatureSTRIP THREADS
MaterialSTEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OVERALL
Features ProvidedFINISHED HEAD
Thread Series DesignatorUNF
Shank Unthreaded Hole Diameter0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN
Grip Length0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Distance From Head Largest Bearing Surface to Shank Hole Center0.739 INCHES MINIMUM AND 0.759 INCHES MAXIMUM FIRST HOLE IN
Thread Length0.631 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Fastener Length0.938 INCHES MINIMUM AND 0.984 INCHES MAXIMUM IN
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Nominal Thread Diameter0.375 INCHES IN
Head Height0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-00-447-9196LL67 INTERCHANGEABLE
Hose,preformed
Wisconsin Motors, Llc
5975-01-315-4229 INTERCHANGEABLE
Conduit Outlet
Cross-Reference Index
Part NumberManufacturer
LL6-7 PRIMARY Long-Lok, Llc (USA)
Related Parts
4720-00-447-9196INTERCHANGEABLE
HOSE,PREFORMED
LL67
5975-01-315-4229INTERCHANGEABLE
CONDUIT OUTLET

Frequently Asked Questions

What is NSN 5306-00-885-8547?

NSN 5306-00-885-8547 is a Bolt,machine, manufactured by Long-Lok, Llc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-885-8547?

NSN 5306-00-885-8547 has 1 cross-referenced part number: LL6-7 (Long-Lok, Llc).

What NSN replaces 5306-00-885-8547?

There are 2 known substitutes for 5306-00-885-8547: 4720-00-447-9196, 5975-01-315-4229. Verify interchangeability with system specifications before substitution.

What are the specifications of LL6-7?

Key specifications for LL6-7: Width Between Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Thread Quantity Per Inch: 24; Head Style: HEXAGON; Surface Treatment: CADMIUM OVERALL. 19 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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