PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B3-4Nut,plain,hexagon

Mitchell Camera Corp · NSN 5310-00-481-2449 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-481-2449 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-481-2449. Primary manufacturer part number: B3-4.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Quantity Per Inch: 18
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
  • Thread Class: 2B
  • Width Across Flats: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-481-2449, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mitchell Camera Corp. Government technical data includes 10 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
NSN5310-00-481-2449
Primary Part NumberB3-4
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMitchell Camera Corp
StatusACTIVE
Thread Quantity Per Inch18
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.312 INCHES IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Thread Class2B
Width Across Flats0.500 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Nut Height0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-120-30741100-11-86 INTERCHANGEABLE
Bearing,roller,needle
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-00-140-2265B3-4 INTERCHANGEABLE
Bolt,machine
Norwalk Compreseer Company Inc Dba Norwalk Compressor Company
5940-00-155-967010015524-013 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
4730-00-174-455112Z330PC30 INTERCHANGEABLE
Swing Joint,pipe
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-468-2285B34 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
3455-00-517-594615424 INTERCHANGEABLE
Cutter,milling,end
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5950-00-645-6882B34 INTERCHANGEABLE
Transformer,pulse
Cardwell Condenser Corp Lapointe-Admiral Div
5365-00-812-2831547C032744 INTERCHANGEABLE
Shim
L3 Technologies, Inc. Div L3 Keo
3030-01-061-6623B34 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
6910-01-189-2249B34 INTERCHANGEABLE
Cladophora
Carolina Biological Supply Co
Cross-Reference Index
Part NumberManufacturer
B3-4 Mitchell Camera Corp (USA)
Related Parts
3110-00-120-3074INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
1100-11-86
5306-00-140-2265INTERCHANGEABLE
BOLT,MACHINE
B3-4
5940-00-155-9670INTERCHANGEABLE
TERMINAL,LUG
10015524-013
4730-00-174-4551INTERCHANGEABLE
SWING JOINT,PIPE
12Z330PC30
3110-00-468-2285INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B34
3455-00-517-5946INTERCHANGEABLE
CUTTER,MILLING,END
15424
5950-00-645-6882INTERCHANGEABLE
TRANSFORMER,PULSE
B34
5365-00-812-2831INTERCHANGEABLE
SHIM
547C032744
3030-01-061-6623INTERCHANGEABLE
BELT,V
B34
6910-01-189-2249INTERCHANGEABLE
CLADOPHORA
B34
4210-01-322-0950INTERCHANGEABLE
CAP,HOSE
8455-01-531-2081INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5310-00-481-2449?

NSN 5310-00-481-2449 is a Nut,plain,hexagon, manufactured by Mitchell Camera Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-481-2449?

NSN 5310-00-481-2449 has 1 cross-referenced part number: B3-4 (Mitchell Camera Corp).

What NSN replaces 5310-00-481-2449?

There are 12 known substitutes for 5310-00-481-2449: 3110-00-120-3074, 5306-00-140-2265, 5940-00-155-9670 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B3-4?

Key specifications for B3-4: Thread Quantity Per Inch: 18; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.312 INCHES IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 10 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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