Model: 26-760521-1

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.340 inches
Fastener Length
1.940 inches
Head Style
Hexagon
Head Height
0.080 inches
Width Between Flats
Between 0.556 inches and 0.562 inches
Shoulder Diameter
0.374 inches first shoulder
Shoulder Length
1.600 inches first shoulder
Shank Unthreaded Hole Diameter
0.067 inches first hole
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 42.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
1.810 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel comp 4130
Material Specification
Mil-s-6758, f4 military specification single material response
Surface Treatment
Cadmium and chromium
Thread Series Designator
Unf
NSN
5306-00-061-7949
Part Number
26-760521-1
Description
Bolt,shoulder
CAGE
80378

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 26-760521-1 NSN 5306-00-061-7949

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:
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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