Model: FFB561

Lag Screw

Properties:

Fastener Length
4.000 inches
Head Style
Square
Head Height
0.422 inches
Width Between Flats
0.938 inches
Min. Tensile Strength (psi)
55000 pounds per square inch
Hardness Rating
60.0 rockwell b
Nonmachine Thread Style
Cone point (type bp)
Nonmachine Thread Diameter
0.625 inches
Material
Steel
Material Specification
Astm a-307, gr a assn standard single material response
Surface Treatment
Zinc
Nondefinitive Specification/std Data
2 type and 2 style and b grade
NSN
5305-00-660-1861
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 5305-00-660-1861

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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