Model: 340-122-0143

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.169 inches and 0.250 inches
Fastener Length
Between 0.219 inches and 0.250 inches
Head Style
Fillister
Head Diameter
Between 0.166 inches and 0.183 inches
Head Height
Between 0.069 inches and 0.079 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
80000 pounds per square inch
Screw Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303 plus x or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Screw Material Specification
Qq-s-763 federal specification 1st material response or 66 federal standard 1st material response or comp 16-18 or 18-8 assn standard 2nd material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 4s style
NSN
5305-00-822-4522
Part Number
340-122-0143
Description
Screw,machine
CAGE
1K426

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 340-122-0143 NSN 5305-00-822-4522

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
Concept No.:
App. Key:
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:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
72E
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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