Model: F253691

Hexagon Cone Seat Plain Nut

Special Features:

Slotted head and 0.650 in. Flange dia

Properties:

Thread Class
2b
Thread Direction
Right-hand
Counterbore Diameter
0.265 inches first end
Nut Style
Cone seat, hexagon
Nut Height
0.350 inches
Nut Counterbore Depth
0.100 inches first end
Width Across Flats
0.436 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Cone Seat Angle
120.0 of standard range single treatment response
Cone Seat Angle
120.0 degrees
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel
NSN
5310-00-452-7934
Part Number
F253691
Description
Nut,plain,cone Seat,hexagon
CAGE
U9143

A nut having 6 flat sides and a cone seat bearing surface. Items may have a removable collar. See also nut (1), plain, single ball seat, hexagon.

Part F253691 NSN 5310-00-452-7934

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05282
FIIG:
A021A0
Concept No.:
1
App. Key:
AL
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:
00
LVL_A:
E
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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