Model: MS14157-04024

Close Tolerance Bolt

Special Features:

Color white

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.555 inches and 0.595 inches
Fastener Length
Between 2.065 inches and 2.085 inches
Head Style
Spline extended washer
Head Height
Between 0.240 inches and 0.260 inches
Width Between Flats
Between 0.373 inches and 0.381 inches
Extended Washer Diameter
Between 0.428 inches and 0.438 inches
Extended Washer Thickness
Between 0.035 inches and 0.055 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Thread Diameter
0.250 inches
Grip Length
Between 1.490 inches and 1.510 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 43.0 rockwell c
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Material
Steel comp 8740 or steel comp e4340
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-5000 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment
Paint top of head
Surface Treatment Specification
Nas672 assn standard single treatment response and qq-p-416 federal specification single treatment response
Surface Treatment Specification
Tt-e-489, no. 17875 federal specification single treatment response top of head
Thread Series Designator
Unjf
NSN
5306-01-124-3634
Part Number
MS14157-04024
Description
Bolt,close Tolerance
CAGE

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Part MS14157-04024 NSN 5306-01-124-3634

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
27851
FIIG:
A003B0
Concept No.:
App. Key:
BC
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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