Model: 2637506PC2

Knurled Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Knurled

Nut Diameter

0.437 inches

Nut Thickness

Between 0.389 inches and 0.409 inches

Knurl Width

0.150 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 303

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

NSN

5310-00-431-6773

Part Number

2637506PC2

Description

Nut,self-locking,knurled

CAGE

10001

A nut round in shape, whose outer surface or portion(s) is/are knurled. It may have provisions for external wrenching. An integral feature is incorporated for locking on the threads of a mating member.

Part 2637506PC2 NSN 5310-00-431-6773

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15894

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