Model: 3975550

Tapping Screw

Properties:

Fastener Length
Between 0.720 inches and 0.750 inches
Head Style
Hexagon extended washer
Head Height
Between 0.253 inches and 0.275 inches
Width Between Flats
Between 0.491 inches and 0.500 inches
Extended Washer Diameter
Between 0.624 inches and 0.676 inches
Extended Washer Thickness
0.045 inches
Internal Drive Style
W/o internal drive
Features Provided
Casehardened
Hardness Rating
46.0 rockwell c
Nonmachine Thread Style
Wide flute (type h or bt)
Nonmachine Thread Diameter
0.312 inches
Material
Steel comp 1022
Material Specification
Aisi assn standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Gm 4435-m code a gr 72 fscm 11862 mfr ref single treatment response
NSN
5305-01-160-3938
Part Number
3975550
Description
Screw,tapping
CAGE
11862

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part 3975550 NSN 5305-01-160-3938

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:
--
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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Schedule B and Export
  • Schedule B: 7318140000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Self-tapping screws of iron or steel

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