PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DF2B250Bolt,machine

Cooper Power Systems Inc · NSN 5306-00-939-9591 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-939-9591 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-939-9591. Primary manufacturer part number: DF2B250.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 2.500 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Width Between Flats: 0.750 INCHES NOMINAL IN
  • Thread Length: 2.125 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Head Height: 0.328 INCHES NOMINAL IN
  • Features Provided: FINISHED HEAD
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 5306-00-939-9591, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cooper Power Systems Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-939-9591
Primary Part NumberDF2B250
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCooper Power Systems Inc
StatusACTIVE
Fastener Length2.500 INCHES NOMINAL IN
Nominal Thread Diameter0.500 INCHES IN
Width Between Flats0.750 INCHES NOMINAL IN
Thread Length2.125 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Head Height0.328 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Head StyleSQUARE
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-416-5769 INTERCHANGEABLE
Spring,helical,torsion
5330-01-023-0698 INTERCHANGEABLE
Retainer,packing
7690-01-616-6863600212 INTERCHANGEABLE
Marker,identification
Mastsystem Int'l Oy
Cross-Reference Index
Part NumberManufacturer
DF2B250 Cooper Power Systems Inc (USA)
6002 1-2 Cooper Power Systems Inc (USA)
Related Parts
5360-00-416-5769INTERCHANGEABLE
SPRING,HELICAL,TORSION
5330-01-023-0698INTERCHANGEABLE
RETAINER,PACKING
7690-01-616-6863INTERCHANGEABLE
MARKER,IDENTIFICATION
600212

Frequently Asked Questions

What is NSN 5306-00-939-9591?

NSN 5306-00-939-9591 is a Bolt,machine, manufactured by Cooper Power Systems Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-939-9591?

NSN 5306-00-939-9591 has 2 cross-referenced part numbers: DF2B250 (Cooper Power Systems Inc), 6002 1-2 (Cooper Power Systems Inc).

What NSN replaces 5306-00-939-9591?

There are 3 known substitutes for 5306-00-939-9591: 5360-00-416-5769, 5330-01-023-0698, 7690-01-616-6863. Verify interchangeability with system specifications before substitution.

What are the specifications of DF2B250?

Key specifications for DF2B250: Fastener Length: 2.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Width Between Flats: 0.750 INCHES NOMINAL IN; Thread Length: 2.125 INCHES NOMINAL IN. 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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