Model: PGF9391

Ribbed Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
2.531 inches
Head Style
Flat chamfer
Head Diameter
1.188 inches
Head Height
0.312 inches
Shoulder Length
0.875 inches first shoulder
Rib Major Diameter
Between 0.870 inches and 0.880 inches
Rib Length
0.750 inches
Distance From Largest Diameter Of Bearing Surface Of Head To Ribs
0.125 inches
Rib Minor Diameter
Between 0.835 inches and 0.840 inches
Rib Quantity
25
Thread Diameter
0.750 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
16
Shoulder Shape
Round first shoulder
Material
Steel
Material Specification
Sae grade 8 assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-275-4078
Part Number
PGF9391
Description
Bolt,ribbed Shoulder
CAGE
77237

An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.

Part PGF9391 NSN 5306-00-275-4078

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16014
FIIG:
A003B0
Concept No.:
App. Key:
BU
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:
50.0
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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