PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-B-575 TY1Bolt,machine

General Services Administration Federal Supply Service · NSN 5306-00-514-7883 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-514-7883 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-514-7883. Primary manufacturer part number: FF-B-575 TY1.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS
  • Head Height: 0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
  • Head Style: SQUARE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 95.5 ROCKWELL B MAXIMUM OVERALL
  • Thread Length: 1.000 INCHES MINIMUM IN
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 5306-00-514-7883, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5306-00-514-7883
Primary Part NumberFF-B-575 TY1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Thread DirectionRIGHT-HAND
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Height0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Head StyleSQUARE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating95.5 ROCKWELL B MAXIMUM OVERALL
Thread Length1.000 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Fastener Length2.500 INCHES NOMINAL IN
Nominal Thread Diameter0.312 INCHES IN
Features ProvidedUNFINISHED HEAD
Width Between Flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
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
Bolt,machine
Cross-Reference Index
Part NumberManufacturer
FF-B-575 TY1 General Services Administration Federal Supply Service (USA)
FF-B-575 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B18.2.1 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
5-16 18X2 1-2IN Crane Co Div Valve Div (USA)
ASME-B18.2.1 The American Society of Mechanical Engineers (USA)
Related Parts
5306-00-011-1195SUCCESSOR
BOLT,MACHINE
5306-00-013-1303SUCCESSOR
BOLT,MACHINE
5306-00-018-6682SUCCESSOR
BOLT,MACHINE
5306-00-019-1846SUCCESSOR
BOLT,MACHINE
5306-00-019-1857SUCCESSOR
BOLT,MACHINE
5306-00-042-6920SUCCESSOR
BOLT,MACHINE
5306-00-042-6922SUCCESSOR
BOLT,MACHINE
426922
5306-00-042-6923SUCCESSOR
BOLT,MACHINE
5306-00-042-6934SUCCESSOR
BOLT,MACHINE
5306-00-042-6936SUCCESSOR
BOLT,MACHINE
5306-00-042-6937SUCCESSOR
BOLT,MACHINE
426937
5306-00-042-6938SUCCESSOR
BOLT,MACHINE

Frequently Asked Questions

What is NSN 5306-00-514-7883?

NSN 5306-00-514-7883 is a Bolt,machine, manufactured by General Services Administration Federal Supply Service, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-514-7883?

NSN 5306-00-514-7883 has 5 cross-referenced part numbers: FF-B-575 TY1 (General Services Administration Federal Supply Service), FF-B-575 (Federal Specifications Promulgated by General Services Administration Washington DC), B18.2.1 (American National Standards Institute Incorporated Dba American National Standards Institute), 5-16 18X2 1-2IN (Crane Co Div Valve Div), ASME-B18.2.1 (The American Society of Mechanical Engineers).

What NSN replaces 5306-00-514-7883?

There are 12 known substitutes for 5306-00-514-7883: 5306-00-011-1195, 5306-00-013-1303, 5306-00-018-6682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-B-575 TY1?

Key specifications for FF-B-575 TY1: Thread Direction: RIGHT-HAND; Minimum Tensile Strength: 55000 POUNDS PER SQUARE INCH LBS; Head Height: 0.186 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Head Style: SQUARE. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-514-7883 still in active supply?

NSN 5306-00-514-7883 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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