Model: 120-264E4-20

Machine Screw

Special Features:

Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.144 inches
Fastener Length
1.250 inches
Head Style
Flat countersunk
Spline Major Diameter
Between 0.220 inches and 0.223 inches
Internal Drive Style
Torx
End Application
Mv-22 aircraft
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
5820 pounds per square inch
Countersink Angle
100.0 degrees
Criticality Code Justification
Feat
Part Name Assigned By Controlling Agency
Screw, 100 degree flush head, full thread, 6 lobe recess
Screw Material
Iron alloy 660
Screw Material Specification
Ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response or ams5835 assn standard single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Ams2700method 1, type2 assn standard single treatment response or ams2700 method 1, type 8, cls 1 assn standard single treatment response
Thread Series Designator
Unjf
NSN
5305-01-529-3696
Part Number
120-264E4-20
Description
Screw,machine
CAGE
97499

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 120-264E4-20 NSN 5305-01-529-3696

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:
A
ESD:
ESD:
MMAC:
NV
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
011790
UFC:
04720
LTL:
RATING VARIABLE
LCL:
--
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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