Model: 6853521 ITEM NO. 18

Hexagon Self-locking Nut

Properties:

Thread Class

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)

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

6853521 ITEM NO. 18

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 6853521 ITEM NO. 18 NSN 5310-00-245-3504

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

139820

UFC:

70220

LTL:

85.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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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)