Model: MS51866-48

Spline Self-locking Nut

Special Features:

0.875 in. Width across flats

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design or prevailing torque all nonmetallic design

Pilot Diameter

Between 0.696 inches and 0.700 inches

Pilot Length

Between 0.423 inches and 0.453 inches

Lubrication

Dry film lubricant

Nut Style

Spline

Nut Diameter

Between 0.860 inches and 0.890 inches

Nut Height

Between 0.798 inches and 0.828 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Material

Plastic polyamide locking insert

Material

Steel comp 1013 nut or steel comp 1015 nut or steel comp 1016 nut or steel comp 1017 nut or steel comp 1019 nut or steel comp 1020 nut or steel comp 1021 nut or steel comp 1022 nut or steel comp 1023 nut or steel comp 1524 nut or steel comp 1025 nut or steel comp 1026 nut or steel comp 1527 nut or steel comp 1029 nut or steel comp 1030 nut or steel comp 1033 nut or steel comp 1034 nut or steel comp 1035 nut or steel comp 1536 nut or steel comp 1037 nut or steel comp 1038 nut or steel comp 1039 nut or steel comp 1040 nut or steel comp 1541 nut

Material Specification

66 federal standard all material responses nut

Surface Treatment

Cadmium except insert and chromate except insert

Surface Treatment Specification

Qq-p-416, ty2, cl 3 federal specification all treatment responses except insert

NSN

5310-01-210-0810

Part Number

MS51866-48

Description

Nut,self-locking,spline

CAGE

96906

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

Part MS51866-48 NSN 5310-01-210-0810

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15893

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:

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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