Model: SCREW 10-24UNCX1/4 IN QQ-N-281

Hexagon Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.250 inches
Head Style
Hexagon
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
70000 pounds per square inch
Hardness Rating
60.0 rockwell b and 20.0 rockwell c
Minimum Yield Strength
30000 pounds per square inch
Extra Long Reference Number
F468 hex cap screw 0.190-24 inx0.250 in lg alloy 400 or 405
Material
Nickel alloy r-405 or nickel alloy 400
Material Specification
Qq-n-281, class b, n04405 federal specification 1st material response or qq-n-281, class a, n04400 federal specification 2nd material response
Thread Series Designator
Unc
Specification Data
81346-astm f468 professional/industrial association specification
Nondefinitive Specification/std Data
0.190-24in. Size and n04400 alloy or n04405 alloy and 1/4in. Length
Reference Number Differentiating Characteristics
As differentiated by extra long reference number
NSN
5305-01-280-4594
Part Number
SCREW 10-24UNCX1/4 IN QQ-N-281
Description
Screw,cap,hexagon Head
CAGE
10941

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Part SCREW 10-24UNCX1/4 IN QQ-N-281 NSN 5305-01-280-4594

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
Concept No.:
App. Key:
SB
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

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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