Model: FF-B-561 STD P/N-634

Lag Screw

Properties:

Fastener Length
1.000 inches
Head Style
Hexagon
Head Height
Between 0.150 inches and 0.188 inches
Width Between Flats
Between 0.425 inches and 0.438 inches
Shoulder Diameter
0.237 inches first shoulder and 0.260 inches first shoulder
Shoulder Length
0.094 inches first shoulder
Nonmachine Thread Style
Gimlet point (type a, ab or ba)
Nonmachine Thread Diameter
0.250 inches
Shoulder Shape
Round first shoulder
Material
Copper alloy 651
Material Specification
Qq-c 591 federal specification single material response
Nondefinitive Specification/std Data
1 type and 1 style and d grade
NSN
5305-00-145-1045
Part Number
FF-B-561 STD P/N-634
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 FF-B-561 STD P/N-634 NSN 5305-00-145-1045

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:
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:
093460
UFC:
48930
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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