Model: HT260LB3-15

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.313 inches and 0.363 inches
Fastener Length
Between 1.261 inches and 1.291 inches
Head Style
Flat countersunk
Head Diameter
Between 0.325 inches and 0.387 inches
Grip Diameter
Between 0.1885 inches and 0.1895 inches
Internal Drive Style
High-torque
Thread Diameter
0.190 inches
Grip Length
Between 0.928 inches and 0.948 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Surface Finish
63.0 microinches grip
Surface Finish
63.0 microinches threads
Part Name Assigned By Controlling Agency
Navy special project
Material Specification
Nas 621, 6al-4v assn standard 1st material response or ams 4928 assn standard 2nd material response
Material Specification
Nas 621, 6al-4v assn standard 1st material response or ams 4928 assn standard 2nd material response
Thread Series Designator
Unf
Specification Data
26512-gb510f manufacturers standard
NSN
5305-00-390-0685
Part Number
HT260LB3-15
Description
Screw,close Tolerance
CAGE
73197

Part HT260LB3-15 NSN 5305-00-390-0685

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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

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:
136500
UFC:
68455
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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