Model: 128421

Square Neck Bolt
Description:

2a thread class, right-hand , 0.656 inches thread length, 1.000 inches fastener length, oval head style, 1.000 inches head diameter.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.656 inches
Fastener Length
1.000 inches
Head Style
Oval
Head Diameter
1.000 inches
Head Height
0.156 inches
Neck Length
Between 0.156 inches and 0.187 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Neck Width
Between 0.307 inches and 0.324 inches
Material
Steel
Material Specification
Qq-s-633, canc federal specification single material response
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc
NSN
5306-00-012-8421
Part Number
128421
Description
Bolt,square Neck
CAGE

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

Part 128421 NSN 5306-00-012-8421

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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