FFB561A

FFB561A Lag Screw

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Datasheet. FFB561A specification

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

10.000in. ⁓10-1/64"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

square

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.476in. and 0.524in. ⁓17/32"

Width Between Flats

1.088in. and 1.125in.

Nonmachine Thread Style
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.

gimlet point (type a, ab or ba)

Nonmachine Nominal Thread Diameter
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.

0.750in.

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 305 or steel comp 310

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

zinc

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

QQ-Z-325, ty 2, cl 3 fed spec single treatment response

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

1 type and c grade

Answers.

What material is the lag screw made of ?

Steel comp 305 or steel comp 310

What is the head style?

Square

What is the NSN for FFB561A?

5305-00-582-5926

How is this classified for shipping?

Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of FFB561A?

FSC 5305 ⁓ Screws

NSN 5305-00-582-5926 SCREW,LAG

zinc surface treated square head style

NIIN: 005825926
NIIN Date: 01/01/63
Schedule B: 7318152000
Name Code: 36433
FIIG: A003B0
DEMIL / ITAR: Uncontrolled item (Code A)
Hazmat: No hazard information available from HMIRS.
MSDS: N/A
Precious Metals: Metal content unknown
Enviromental: N/A
Electrostatic ESD & EMI: No ESD or EMI sensitivity

Major End Users Countries and entities

- Bonneville Power Administration

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

FFB561A / Screw,lagWhat is the formal definition of this item?

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.