PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NASM20073-06-21Bolt,machine

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5306-00-087-3927 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-087-3927 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-087-3927. Primary manufacturer part number: NASM20073-06-21.
Features
  • Bolt,machine — FSC 5306
  • Width Between Flats: 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Head Height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
  • Grip Length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Quantity Per Inch: 24
  • Hole Quantity: 6
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 5306-00-087-3927, 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 22 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-087-3927
Primary Part NumberNASM20073-06-21
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
StatusACTIVE
Width Between Flats0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Head Height0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Grip Length1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch24
Hole Quantity6
Fastener Length2.156 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
Thread Class3A A
Hole TypeDRILLED
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE 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
Features ProvidedFINISHED HEAD
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
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Hole Diameter0.070 INCHES NOMINAL IN
Thread Length0.640 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
Bolt,close Tolerance
Bolt,close Tolerance
5306-00-151-3023AN9-41 SUCCESSOR
Bolt,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Bolt,clevis
Bolt,close Tolerance
Bolt,close Tolerance
Cross-Reference Index
Part NumberManufacturer
NASM20073-06-21 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM6812 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS20073-06-21 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5306-00-630-2118SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-1944SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-151-3023SUCCESSOR
BOLT,MACHINE
AN9-41
5306-00-156-2293SUCCESSOR
BOLT,CLEVIS
5306-00-180-2759SUCCESSOR
BOLT,CLOSE TOLERANCE
5306-00-584-7808SUCCESSOR
BOLT,CLOSE TOLERANCE

Frequently Asked Questions

What is NSN 5306-00-087-3927?

NSN 5306-00-087-3927 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: active.

What are the part numbers for NSN 5306-00-087-3927?

NSN 5306-00-087-3927 has 3 cross-referenced part numbers: NASM20073-06-21 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM6812 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS20073-06-21 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5306-00-087-3927?

There are 6 known substitutes for 5306-00-087-3927: 5306-00-630-2118, 5306-00-151-1944, 5306-00-151-3023 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NASM20073-06-21?

Key specifications for NASM20073-06-21: Width Between Flats: 0.554 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Head Height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN; Grip Length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN. 22 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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