PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42-18Bolt,machine

Lauson Division of Tecumseh Products Co · NSN 5306-00-208-6283 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-208-6283 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-208-6283. Primary manufacturer part number: 42-18.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 18
  • Features Provided: FINISHED HEAD
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Hole Configuration Style: HEXAGON FLATS
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3135 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-208-6283, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lauson Division of Tecumseh Products Co. Government technical data includes 18 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-208-6283
Primary Part Number42-18
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerLauson Division of Tecumseh Products Co
StatusACTIVE
Thread Quantity Per Inch18
Features ProvidedFINISHED HEAD
Fastener Length1.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Hole Configuration StyleHEXAGON FLATS
Nominal Thread Diameter0.312 INCHES IN
Thread Class2A A
Hole Diameter0.062 INCHES NOMINAL IN
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Head Height0.227 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN
Hole Quantity1
MaterialSTEEL COMP 3135 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPHOSPHATE OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Length0.889 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Hole TypeDRILLED
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-331-0064 (4218)
HAZMATNo
Verified Substitutes 11
5340-01-331-00644218 SUCCESSOR
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4720-00-054-6354 INTERCHANGEABLE
Hose,nonmetallic
5305-00-147-19854218 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5920-00-258-6680 INTERCHANGEABLE
Fuse Link,thermal
5330-00-360-4483 INTERCHANGEABLE
Gasket
2040-00-398-9577 INTERCHANGEABLE
Fitting,e,haust
2805-00-792-9761EA101A INTERCHANGEABLE
Camshaft,engine
Wisconsin Motors, Llc
4720-00-922-5132 INTERCHANGEABLE
Hose,nonmetallic
7025-01-055-47984218 INTERCHANGEABLE
Printer,automatic Data Processin
Data General Corporation
2530-01-319-7869GB2178-TR INTERCHANGEABLE
Valve,steering Selector
Garrison Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
42-18 Lauson Division of Tecumseh Products Co (USA)
Related Parts
SUCCESSOR 5340-01-331-0064 Standoff,threaded,spacing · 4218
4720-00-054-6354INTERCHANGEABLE
HOSE,NONMETALLIC
5305-00-147-1985INTERCHANGEABLE
SCREW,MACHINE
4218
5920-00-258-6680INTERCHANGEABLE
FUSE LINK,THERMAL
5330-00-360-4483INTERCHANGEABLE
GASKET
2040-00-398-9577INTERCHANGEABLE
FITTING,E,HAUST
2805-00-792-9761INTERCHANGEABLE
CAMSHAFT,ENGINE
EA101A
4720-00-922-5132INTERCHANGEABLE
HOSE,NONMETALLIC
7025-01-055-4798INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN
4218
2530-01-319-7869INTERCHANGEABLE
VALVE,STEERING SELECTOR
GB2178-TR
8340-01-649-2230INTERCHANGEABLE
SHADE ASSEMBLY,SOLA
4218

Frequently Asked Questions

What is NSN 5306-00-208-6283?

NSN 5306-00-208-6283 is a Bolt,machine, manufactured by Lauson Division of Tecumseh Products Co, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-208-6283?

NSN 5306-00-208-6283 has 1 cross-referenced part number: 42-18 (Lauson Division of Tecumseh Products Co).

What NSN replaces 5306-00-208-6283?

There are 11 known substitutes for 5306-00-208-6283: 5340-01-331-0064, 4720-00-054-6354, 5305-00-147-1985 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42-18?

Key specifications for 42-18: Thread Quantity Per Inch: 18; Features Provided: FINISHED HEAD; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 18 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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