PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS564-43Bolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-550-0485 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-550-0485 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-550-0485. Primary manufacturer part number: NAS564-43.
Features
  • Bolt,machine — FSC 5306
  • Thread Direction: RIGHT-HAND
  • Grip Length: 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Specification/standard Data: 80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 1.375 INCHES MAXIMUM IN
  • Thread Length: 1.268 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-550-0485, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 23 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-550-0485
Primary Part NumberNAS564-43
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread DirectionRIGHT-HAND
Grip Length0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Specification/standard Data80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Thread Diameter0.250 INCHES IN
Fastener Length1.375 INCHES MAXIMUM IN
Thread Length1.268 INCHES MINIMUM IN
Head StyleHEXAGON
Minimum Tensile Strength160000 POUNDS PER SQUARE INCH LBS
Hole Quantity6
Hole Diameter0.070 INCHES NOMINAL IN
Head Height0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Hole TypeDRILLED
Thread Class3A A
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Hardness Rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch28
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Material Document and ClassificationMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL
Features ProvidedFINISHED HEAD
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5360-00-073-817856443 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
5995-01-584-522856443-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
564-43 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS564-43 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5360-00-073-8178INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
56443
5995-01-584-5228INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
56443-1

Frequently Asked Questions

What is NSN 5306-00-550-0485?

NSN 5306-00-550-0485 is a Bolt,machine, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-550-0485?

NSN 5306-00-550-0485 has 2 cross-referenced part numbers: 564-43 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS564-43 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5306-00-550-0485?

There are 2 known substitutes for 5306-00-550-0485: 5360-00-073-8178, 5995-01-584-5228. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS564-43?

Key specifications for NAS564-43: Thread Direction: RIGHT-HAND; Grip Length: 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Thread Series Designator: UNF; Specification/standard Data: 80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-550-0485 still in active supply?

NSN 5306-00-550-0485 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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