Model: MS51865-2C

Cap Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design or prevailing torque with nonmetallic insert

Lubrication

Dry film lubricant

Nut Style

Cap

Nut Height

0.340 inches

Width Across Flats

Between 0.302 inches and 0.312 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c

Thread Size

0.138 inches

Bearing Surface Type

Chamfered

Material

Plastic polyamide locking insertsteel comp 301 nut or steel comp 302 nut or steel comp 302b nut or steel comp 303 nut or steel comp 303se nut or steel comp 304 nut or steel comp 304l nut or steel comp 305 nut or steel comp 308 nut or steel comp 309 nut or steel comp 309s nut or steel comp 310 nut or steel comp 310s nut or steel comp 314 nut or steel comp 316 nut or steel comp 316l nut or steel comp 317 nut or steel comp 321 nut or steel comp 347 nut or steel comp 348 nut or steel comp 384 nut or steel comp 385 nut

Material Specification

66 federal standard all material responses nut

Surface Treatment

Passivate except insert

Surface Treatment Specification

Qq-p-35 federal specification single treatment response except insert

NSN

5310-01-352-7728

Part Number

MS51865-2C

Description

Nut,self-locking,cap

CAGE

96906

A nut internally threaded from one end, and completely enclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, dodecagonal or the like and taper to a cone or dome shape on the closed end. An integral feature is incorporated for locking on the threads of a mating memeber. Excludes nut (1), stamped.

Part MS51865-2C NSN 5310-01-352-7728

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05275

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

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