PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-575,TYII,GR1Bolt,machine

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5306-00-141-2883 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-141-2883 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-141-2883. Primary manufacturer part number: FF-B-575,TYII,GR1.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 0.750 INCHES MINIMUM IN
  • Thread Class: 2A A
  • Width Between Flats: 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL C FED SPEC ALL TREATMENT RESPONSES OVERALL
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 5306-00-141-2883, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-141-2883
Primary Part NumberFF-B-575,TYII,GR1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusCANCELLED
Thread Length0.750 INCHES MINIMUM IN
Thread Class2A A
Width Between Flats0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL C FED SPEC ALL TREATMENT RESPONSES OVERALL
Head StyleHEXAGON
Hardness Rating95.0 ROCKWELL B NOMINAL OVERALL
Nondefinitive Spec/std DataII TYPE AND 1 GRADE
Nominal Thread Diameter0.250 INCHES IN
MaterialSTEEL OVERALL
Head Height0.156 INCHES NOMINAL IN
Fastener Length1.250 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Features ProvidedFINISHED HEAD
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
Bolt,machine
5306-00-042-6922426922 SUCCESSOR
Bolt,machine
General Motors Llc Dba General Motors Llc
Bolt,machine
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FF-B-575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-B-575,TYII,GR1 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
FFB575TYPE3GR1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5306-00-514-7930SUCCESSOR
NO ITEM NAME AVAILABLE
5306-00-011-1195SUCCESSOR
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5306-00-018-6682SUCCESSOR
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5306-00-042-6922SUCCESSOR
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426922
5306-00-042-6923SUCCESSOR
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5306-00-042-6934SUCCESSOR
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5306-00-042-6936SUCCESSOR
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5306-00-042-6937SUCCESSOR
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426937

Frequently Asked Questions

What is NSN 5306-00-141-2883?

NSN 5306-00-141-2883 is a Bolt,machine, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-141-2883?

NSN 5306-00-141-2883 has 3 cross-referenced part numbers: FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-B-575,TYII,GR1 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), FFB575TYPE3GR1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5306-00-141-2883?

There are 12 known substitutes for 5306-00-141-2883: 5306-00-514-7930, 5306-00-011-1195, 5306-00-013-1303 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-575,TYII,GR1?

Key specifications for FF-B-575,TYII,GR1: Thread Length: 0.750 INCHES MINIMUM IN; Thread Class: 2A A; Width Between Flats: 0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Quantity Per Inch: 20. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-141-2883 still in active supply?

NSN 5306-00-141-2883 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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