Model: MS21225-7

Hexagon Slotted Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Slotted, hexagon

Nut Height

Between 0.438 inches and 0.468 inches

Width Across Flats

Between 0.679 inches and 0.690 inches

Tempurature Rating

800.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Bearing Surface Type

Chamfered

Material

Iron alloy 660 or stainless steel

Material Specification

Ams 5737 assn standard 1st material response or ams 5525 assn standard 1st material response or ams 5725 assn standard 2nd material response

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2411 assn standard single treatment response

NSN

5310-01-214-2694

Part Number

MS21225-7

Description

Nut,self-locking,slotted,hexagon

CAGE

96906

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. An integral feature is incorporated for locking on the threads of a mating member. The slots, when used in conjunction with a solid or split (cotter) pin, act as an extra "fail safe", feature in critical applications. Excludes nut (1), self-locking, castellated, octagon.

Part MS21225-7 NSN 5310-01-214-2694

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29733

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:

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