Model: KFN631-4

Self-locking Nut

Properties:

General Description
0.250-28 unjf-3b rh thread, nut alluminum alloy 7075 temper t73, seal plastic mil-p-19468, nut anodized mil-a-8625 type 2 class 2, soluble lubricant, 0.461 in. Max washer outside dia, 0.335 in. Max height of nut, 0.107 in. Min and 0.117 in. Max counterbore depth, 0.254 in. Min and 0.268 in. Max counterbore dia, prevailing torque all metal locking feature, spline type wrenching feature, 250 degrees f temp rating
NSN
5310-01-065-2715
Part Number
KFN631-4
Description
Nut,self-locking
CAGE
15653

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
013540
UFC:
05680
LTL:
70.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7616106000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Threaded fasteners of aluminum

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