Model: 257-005-003

Tapping Screw

Special Features:

Furnished with black nylon washer

Properties:

Fastener Length
Between 0.625 inches and 0.656 inches
Head Style
Pan
Head Diameter
Between 0.490 inches and 0.500 inches
Head Height
Between 0.135 inches and 0.145 inches
Internal Drive Style
Cross recess type ii
Nonmachine Thread Style
Dog type (type b or c)
Nonmachine Thread Diameter
0.185 inches
Material
Steel comp 1016
Material Specification
Aisi assn standard single material response
Surface Treatment
Nickel
NSN
5305-01-065-6898
Part Number
257-005-003
Description
Screw,tapping
CAGE
04573

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 257-005-003 NSN 5305-01-065-6898

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:
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:
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
139820
UFC:
70220
LTL:
85.0
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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