PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4551Bolt,machine

Barnes Group Inc. Dba Barnes Distribution · NSN 5306-01-481-5546 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-481-5546 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-481-5546. Primary manufacturer part number: 4551.
Features
  • Bolt,machine — FSC 5306
  • Material: STEEL OVERALL
  • Surface Treatment: ZINC OVERALL
  • Thread Series Designator: M
  • Width Between Flats: 10.0 MILLIMETERS NOMINAL MM
  • Fastener Length: 12.0 MILLIMETERS NOMINAL MM
  • Nominal Thread Diameter: 6.0 MILLIMETERS MM
  • Head Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-01-481-5546, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 8 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-481-5546
Primary Part Number4551
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBarnes Group Inc. Dba Barnes Distribution
StatusACTIVE
MaterialSTEEL OVERALL
Surface TreatmentZINC OVERALL
Thread Series DesignatorM
Width Between Flats10.0 MILLIMETERS NOMINAL MM
Fastener Length12.0 MILLIMETERS NOMINAL MM
Nominal Thread Diameter6.0 MILLIMETERS MM
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-082-4665 INTERCHANGEABLE
Terminal Board
5999-00-220-97574551 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
6240-00-583-3334Q4551 INTERCHANGEABLE
Lamp,incandescent
Amglo Kemlite Laboratories Inc
5950-00-645-3691 INTERCHANGEABLE
Coil,radio Frequency
2805-00-741-1712904P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
3110-01-015-57754551 INTERCHANGEABLE
Bearing,ball,stack
New Hampshire Ball Bearings Inc Div Hitech Division
5940-01-265-24384551 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6810-01-370-42104551 INTERCHANGEABLE
Ion Exchange Compound
Sybron Chemicals Inc.
6240-01-670-1658 INTERCHANGEABLE
Lamp,incandescent
1310-01-670-84354551 INTERCHANGEABLE
Cartridge,40 Millimeter,non-Leth
Combined Systems Inc
Cross-Reference Index
Part NumberManufacturer
4551 PRIMARY Barnes Group Inc. Dba Barnes Distribution (USA)
Related Parts
5940-00-082-4665INTERCHANGEABLE
TERMINAL BOARD
5999-00-220-9757INTERCHANGEABLE
CLIP,ELECTRICAL
4551
6240-00-583-3334INTERCHANGEABLE
LAMP,INCANDESCENT
Q4551
5950-00-645-3691INTERCHANGEABLE
COIL,RADIO FREQUENCY
2805-00-741-1712INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
904P
3110-01-015-5775INTERCHANGEABLE
BEARING,BALL,STACK
4551
5940-01-265-2438INTERCHANGEABLE
TERMINAL,STUD
4551
6810-01-370-4210INTERCHANGEABLE
ION EXCHANGE COMPOUND
4551
6240-01-670-1658INTERCHANGEABLE
LAMP,INCANDESCENT
1310-01-670-8435INTERCHANGEABLE
CARTRIDGE,40 MILLIMETER,NON-LETH
4551

Frequently Asked Questions

What is NSN 5306-01-481-5546?

NSN 5306-01-481-5546 is a Bolt,machine, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-481-5546?

NSN 5306-01-481-5546 has 1 cross-referenced part number: 4551 (Barnes Group Inc. Dba Barnes Distribution).

What NSN replaces 5306-01-481-5546?

There are 10 known substitutes for 5306-01-481-5546: 5940-00-082-4665, 5999-00-220-9757, 6240-00-583-3334 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4551?

Key specifications for 4551: Material: STEEL OVERALL; Surface Treatment: ZINC OVERALL; Special Features: FLANGE BOLT; FLANGE DIA - 14MM MM; Thread Series Designator: M. 9 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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