Model: PBF237-4P44

Shear Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.443 inches and 0.493 inches
Fastener Length
Between 3.203 inches and 3.233 inches
Head Style
Double hexagon w/hole
Head Height
Between 0.290 inches and 0.310 inches
Width Between Flats
Between 0.304 inches and 0.313 inches
Extended Washer Diameter
Between 0.428 inches and 0.438 inches
Extended Washer Thickness
Between 0.059 inches and 0.079 inches
Hole Diameter
Between 0.032 inches and 0.042 inches
Grip Diameter
Between 0.2490 inches and 0.2495 inches
Thread Diameter
0.250 inches
Grip Length
Between 2.740 inches and 2.760 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
220000 pounds per square inch
Hole Configuration Style
Double hexagon longitudinal hole
Material
Stainless steel
Material Specification
23-112 ty a fscm 76301 mfr ref single material response
Surface Treatment
Passivate
Thread Series Designator
Unjf
NSN
5306-01-067-8530
Part Number
PBF237-4P44
Description
Bolt,shear
CAGE

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

Part PBF237-4P44 NSN 5306-01-067-8530

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15903
FIIG:
A003B0
Concept No.:
App. Key:
BX
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:
SX
CRITL:
X

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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