Model: 9157789-26

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.302 inches and 0.375 inches
Fastener Length
Between 0.344 inches and 0.375 inches
Head Style
Pan no. 2
Head Diameter
Between 0.205 inches and 0.219 inches
Head Height
Between 0.058 inches and 0.068 inches
Internal Drive Style
Slot
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
48
Min. Tensile Strength (psi)
90000 pounds per square inch
Screw Material
Steel comp 304l or steel comp 304 or steel comp 316 or steel comp 303 or steel comp 303se or steel comp 305 or steel comp 302 or steel comp 316l
Screw Material Specification
Qq-s-763 federal specification 1st material response or qq-s-763 federal specification 2nd material response or qq-s-763 federal specification 3rd material response or qq-s-764 federal specification 4th material response or qq-s-764 federal specification 5th material response or qq-s-763 federal specification 6th material response or qq-s-763 federal specification 7th material response or qq-s-763 federal specification 8th material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
171, finish no. 5.4.1 military standard single treatment response
Thread Series Designator
Unf
NSN
5305-00-140-7191
Part Number
9157789-26
Description
Screw,machine
CAGE
18876

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 9157789-26 NSN 5305-00-140-7191

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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