Model: A554-348-4

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Nut Style

Hexagon

Nut Height

0.703 inches

Width Across Flats

Between 0.616 inches and 0.627 inches

Tempurature Rating

800.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.375 inches

Bearing Surface Type

Chamfered

Material

Steel comp 410

Material Specification

Qq-s-763, type 1, class 3 federal specification single material response

Surface Treatment

Passivate

NSN

5310-00-833-5080

Part Number

A554-348-4

Description

Nut,self-locking,hexagon

CAGE

34228

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part A554-348-4 NSN 5310-00-833-5080

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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