Model: FFB561

Lag Screw

Properties:

Fastener Length
5.000 inches
Head Style
Square
Head Height
0.297 inches
Width Between Flats
0.625 inches
Min. Tensile Strength (psi)
70000 pounds per square inch
Nonmachine Thread Style
Gimlet point (type a, ab or ba)
Nonmachine Thread Diameter
0.438 inches
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 310 or steel comp 316
Material Specification
66 federal standard all material responses
Surface Treatment
Zinc
Nondefinitive Specification/std Data
1 type and 2 style and c grade
NSN
5305-00-655-6739
Part Number
FFB561
Description
Screw,lag
CAGE
81348

An externally threaded fastener having a square or hexagon head and with a continuous thread (wood screw type or fetter type) extending from a gimlet or cone point for a distance of slightly more than one-half the length of the screw.

Part FFB561 NSN 5305-00-655-6739

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36433
FIIG:
A003B0
Concept No.:
App. Key:
BQ
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

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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