Model: 540-250C2-52

Machine Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.250 inches
Head Style
Round
Head Diameter
Between 0.193 inches and 0.211 inches
Head Height
Between 0.075 inches and 0.086 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
Stainless steel or nickel alloy
Screw Material Specification
Qq-s-763 federal specification 1st material response or 66 federal standard 1st 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 1s style
NSN
5305-00-271-2960
Part Number
540-250C2-52
Description
Screw,machine
CAGE
94033

Part 540-250C2-52 NSN 5305-00-271-2960

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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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