Model: 4F253

Square Neck Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.750 inches
Fastener Length
4.500 inches
Head Style
Flat countersunk
Head Diameter
Between 1.219 inches and 1.303 inches
Neck Length
Between 0.491 inches and 0.541 inches
Thread Diameter
0.750 inches
Thready Qty Per Inch (tpi)
10
Minimum Yield Strength
40000 pounds per square inch
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Neck Width
Between 0.750 inches and 0.765 inches
Material
Steel comp 1010
Material Specification
Qq-s-634 federal specification single material response
Thread Series Designator
Unc
NSN
5306-00-276-8267
Part Number
4F253
Description
Bolt,square Neck
CAGE
11083

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part 4F253 NSN 5306-00-276-8267

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15939
FIIG:
A003B0
Concept No.:
App. Key:
CA
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.6000lbs
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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