Model: 120-121

Tapping Screw

Properties:

Fastener Length
Between 0.282 inches and 0.312 inches
Head Style
Hexagon extended washer
Head Height
Between 0.096 inches and 0.110 inches
Width Between Flats
Between 0.244 inches and 0.250 inches
Extended Washer Diameter
Between 0.322 inches and 0.348 inches
Extended Washer Thickness
Between 0.030 inches and 0.050 inches
Internal Drive Style
Slot
Nonmachine Thread Style
Dog type (type b or c)
Nonmachine Thread Diameter
0.164 inches
Material
Steel
Surface Treatment
Zinc and chromate
NSN
5305-01-361-1185
Part Number
120-121
Description
Screw,tapping
CAGE
24975

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 120-121 NSN 5305-01-361-1185

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:
096640
UFC:
50600
LTL:
70.0
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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