Model: TYPE1STYLE1

Square Neck Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.844 inches
Fastener Length
1.000 inches
Head Style
Button
Head Diameter
Between 0.563 inches and 0.594 inches
Head Height
Between 0.125 inches and 0.145 inches
Neck Length
Between 0.125 inches and 0.156 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
95.0 rockwell b
Neck Width
Between 0.245 inches and 0.260 inches
Material
Steel
Material Specification
Ff-b-584 federal specification single material response
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and a style and 1 class
NSN
5306-00-248-8684
Part Number
TYPE1STYLE1
Description
Bolt,square Neck
CAGE
81348

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part TYPE1STYLE1 NSN 5306-00-248-8684

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15939
FIIG:
A003B0
Concept No.:
App. Key:
CA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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