Model: F273

Shoulder Bolt

Special Features:

Relief grooves 3/32 in. W back of head and 1st shoulder

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
3.750 inches
Head Style
Hexagon
Head Height
0.125 inches
Width Between Flats
1.250 inches
Shoulder Diameter
0.874 inches second shoulder and 0.875 inches second shoulder
Shoulder Diameter
0.999 inches first shoulder and 1.000 inches first shoulder
Shoulder Diameter
0.874 inches and 0.875 inches second shoulder
Shoulder Diameter
0.999 inches and 1.000 inches first shoulder
Shoulder Length
0.938 inches first shoulder
Shoulder Length
1.875 inches second shoulder
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Hardness Rating
25.0 rockwell c and 30.0 rockwell c
Shoulder Shape
Round all shoulders
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 3140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-527-3820
Part Number
F273
Description
Bolt,shoulder
CAGE
70691

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 F273 NSN 5306-00-527-3820

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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