Model: 20-057-6-27D

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.603 inches and 0.653 inches
Fastener Length
Between 2.251 inches and 2.281 inches
Head Style
Hexagon
Head Height
Between 0.188 inches and 0.203 inches
Width Between Flats
Between 0.558 inches and 0.564 inches
Shoulder Diameter
0.523 inches first shoulder
Shoulder Length
0.020 inches first shoulder
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.116 inches first hole
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
2.044 inches first hole and 2.094 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5306-01-035-3136
Part Number
20-057-6-27D
Description
Bolt,shoulder
CAGE
97499

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 20-057-6-27D NSN 5306-01-035-3136

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:
U
ESD:
ESD:
MMAC:
CRITL:
F

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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