PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3141Bolt,internal Wrenching

Kearflex Engineering Company · NSN 5306-01-025-4796 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-025-4796 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-025-4796. Primary manufacturer part number: 3141.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Head Diameter: 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
  • First Diameter From Head: 0.068 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
  • Thread Length: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
  • Head Height: 0.125 INCHES NOMINAL IN
  • Surface Finish: 32.0 MICROINCHES TOP OF HEAD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-025-4796, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kearflex Engineering Company. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-025-4796
Primary Part Number3141
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Head Diameter0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
First Diameter From Head0.068 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
Thread Length0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
Head Height0.125 INCHES NOMINAL IN
Surface Finish32.0 MICROINCHES TOP OF HEAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Surface Finish42.0 MICROINCHES BEARING SURFACE OF HEAD
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Width Across Flats0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Nominal Thread Diameter0.086 INCHES IN
Internal Drive StyleHEXAGON
Distance From Largest Bearing Surface of Head to End of First Diameter0.100 INCHES NOMINAL IN
Fastener Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch56
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6515-01-072-96833141 SUCCESSOR
Catheterization Kit,urethral
Cardinal Health 200, Llc
3110-00-100-4210 INTERCHANGEABLE
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5355-00-111-08133141 INTERCHANGEABLE
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5330-00-465-93303141 INTERCHANGEABLE
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5310-00-741-08463141 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
3141 PRIMARY Kearflex Engineering Company (USA)
Related Parts
6515-01-072-9683SUCCESSOR
CATHETERIZATION KIT,URETHRAL
3141
3110-00-100-4210INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5355-00-111-0813INTERCHANGEABLE
MICRO COUNTING DIAL
3141
5940-00-193-0718INTERCHANGEABLE
TERMINAL BOARD
354-11-03-001
6940-00-224-8826INTERCHANGEABLE
GENERATOR GATE BOAR
3141
5977-00-239-7072INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
3455-00-254-8469INTERCHANGEABLE
CUTTER,MILLING,CONCAVE
13900
5360-00-360-3914INTERCHANGEABLE
SPRING,HELICAL,TORSION
A2603
5330-00-465-9330INTERCHANGEABLE
GASKET
3141
5310-00-741-0846INTERCHANGEABLE
NUT,PLAIN,INTERNAL WRENCHING
3141
3445-00-827-1635INTERCHANGEABLE
BLADE,TABLE
3020-00-841-9296INTERCHANGEABLE
PULLEY,GROOVE

Frequently Asked Questions

What is NSN 5306-01-025-4796?

NSN 5306-01-025-4796 is a Bolt,internal Wrenching, manufactured by Kearflex Engineering Company, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-025-4796?

NSN 5306-01-025-4796 has 1 cross-referenced part number: 3141 (Kearflex Engineering Company).

What NSN replaces 5306-01-025-4796?

There are 12 known substitutes for 5306-01-025-4796: 6515-01-072-9683, 3110-00-100-4210, 5355-00-111-0813 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3141?

Key specifications for 3141: Head Diameter: 0.128 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; First Diameter From Head: 0.068 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Thread Length: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Head Height: 0.125 INCHES NOMINAL IN. 20 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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