Model: 2057K128

Shoulder Bolt

Special Features:

Shoulder relief 0.060 in. Wide, 0.365 in. From bearing surface of head

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.590 inches and 0.650 inches
Fastener Length
Between 1.480 inches and 1.500 inches
Head Style
Dee chamfer
Head Diameter
Between 0.615 inches and 0.635 inches
Head Height
Between 0.190 inches and 0.200 inches
Distance From Centerline To Flat
Between 0.240 inches and 0.244 inches
Shoulder Diameter
0.363 inches second shoulder and 0.373 inches second shoulder
Shoulder Length
0.360 inches first shoulder and 0.370 inches first shoulder
Shoulder Length
0.365 inches second shoulder and 0.385 inches second shoulder
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Shoulder Shape
Round all shoulders
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5306-00-614-7986
Part Number
2057K128
Description
Bolt,shoulder
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 2057K128 NSN 5306-00-614-7986

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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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