Model: 3997227

Tapping Screw

Properties:

Fastener Length
Between 0.825 inches and 0.875 inches
Head Style
Hexagon extended washer
Head Height
Between 0.202 inches and 0.240 inches
Width Between Flats
Between 0.367 inches and 0.375 inches
Extended Washer Diameter
Between 0.480 inches and 0.520 inches
Extended Washer Thickness
Between 0.030 inches and 0.050 inches
Internal Drive Style
W/o internal drive
Features Provided
Casehardened
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Nonmachine Thread Style
Blunt (type tt)
Nonmachine Thread Diameter
0.250 inches
Material
Steel comp 4037
Material Specification
66 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response or mil-c-81562, ty2, cl2 military specification single treatment response
Nondefinitive Specification/std Data
Tt type
NSN
5305-01-132-2166
Part Number
3997227
Description
Screw,tapping
CAGE
7X677

Part 3997227 NSN 5305-01-132-2166

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
Concept No.:
App. Key:
SN
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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