Model: 581-6726673-8

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Nut Style
Hexagon
Nut Height
Between 0.575 inches and 0.610 inches
End Application
Conderoga class cg (47), ssbn mk-118 fire control sys, aircraft, orion p-3, communications systems, an/wrr-7, sturgeon class ssn (637), submarine verticallaunch system (vls), elevators, cargo/weapons, losangeles class ssn (688), engine, aircraft f-117, pw-100 (c-17a), virginia class cgn (41).
Width Across Flats
Between 0.741 inches and 0.755 inches
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Unc
Thready Qty Per Inch (tpi)
13
Thread Size
0.500 inches
Countersink Angle
88.0 degrees nut
Bearing Surface Type
Chamfered
Bearing Surface Finish
125.0 microinches
Material
Nickel alloy r-405 nut
Material
Plastic polyhexamethylene amide locking insert
Material Specification
Astm d4066, comp a, type 1 assn standard single material response locking insert
NSN
5310-00-245-3504
Part Number
581-6726673-8
Description
Nut,self-locking,hexagon
CAGE
53711

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 581-6726673-8 NSN 5310-00-245-3504

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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:
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:
139820
UFC:
70220
LTL:
85.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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