Model: H38-4

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.409 inches

Lubrication

Soluble lubricant

Overall Height

0.292 inches

Nut Style

Double hexagon

Washer Thickness

0.033 inches

Width Across Flats

Between 0.305 inches and 0.313 inches

Tempurature Rating

1400.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

44.0 rockwell c

Thread Size

0.250 inches

Material

Nickel alloy

Material Specification

Nickel alloy was paloy, fscm 80539 mfr ref single material response

Precious Material And Location

External surface silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

NSN

5310-00-434-6928

Part Number

H38-4

Description

Nut,self-locking,extended Washer

CAGE

15653

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part H38-4 NSN 5310-00-434-6928

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

576

TCC:

SHC:

ACC:

Construction Materials

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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)