PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91264A585Bolt,internal Wrenching

Mcmaster-Carr Supply Co · NSN 5306-01-498-3858 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-498-3858 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-498-3858. Primary manufacturer part number: 91264A585.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Internal Drive Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • First Diameter From Head: 0.375 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 1.250 INCHES NOMINAL IN
  • Width Across Flats: 0.188 INCHES NOMINAL IN
  • Thread Length: 0.500 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-498-3858, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5306-01-498-3858
Primary Part Number91264A585
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Internal Drive StyleHEXAGON
Thread DirectionRIGHT-HAND
First Diameter From Head0.375 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Distance From Largest Bearing Surface of Head to End of First Diameter1.250 INCHES NOMINAL IN
Width Across Flats0.188 INCHES NOMINAL IN
Thread Length0.500 INCHES NOMINAL IN
Fastener Length1.750 INCHES NOMINAL IN
Thread Quantity Per Inch18
Nominal Thread Diameter0.313 INCHES IN
Head StyleKNURLED NO. 1
Thread Class3A A
MaterialSTEEL OVERALL
Locking FeaturePELLET THREADS
Head Diameter0.563 INCHES NOMINAL IN
Head Height0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-221-9212 INTERCHANGEABLE
Connector,plug,electrical
3895-00-718-372358239 INTERCHANGEABLE
Sprinkler Mat Assembly
Dressta North America Ltd
5365-00-996-067920491 INTERCHANGEABLE
Spacer,ring
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5342-01-115-1747 INTERCHANGEABLE
Coupling
5950-01-416-57717137806-0001 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1005-01-601-558620491 INTERCHANGEABLE
Guard,trigger
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
91264A585 PRIMARY Mcmaster-Carr Supply Co (USA)
20491 Mcmaster-Carr Supply Company (USA)
Related Parts
5935-00-221-9212INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3895-00-718-3723INTERCHANGEABLE
SPRINKLER MAT ASSEMBLY
58239
5365-00-996-0679INTERCHANGEABLE
SPACER,RING
20491
5342-01-115-1747INTERCHANGEABLE
COUPLING
5950-01-416-5771INTERCHANGEABLE
REACTOR
7137806-0001
1005-01-601-5586INTERCHANGEABLE
GUARD,TRIGGER
20491

Frequently Asked Questions

What is NSN 5306-01-498-3858?

NSN 5306-01-498-3858 is a Bolt,internal Wrenching, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-498-3858?

NSN 5306-01-498-3858 has 2 cross-referenced part numbers: 91264A585 (Mcmaster-Carr Supply Co), 20491 (Mcmaster-Carr Supply Company).

What NSN replaces 5306-01-498-3858?

There are 6 known substitutes for 5306-01-498-3858: 5935-00-221-9212, 3895-00-718-3723, 5365-00-996-0679 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91264A585?

Key specifications for 91264A585: Internal Drive Style: HEXAGON; Thread Direction: RIGHT-HAND; First Diameter From Head: 0.375 INCHES NOMINAL IN; End Item Identification: F-22. 18 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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