Model: 548027

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

3.250 inches

Head Style

Button

Head Diameter

0.688 inches

Head Height

0.156 inches

Neck Length

Between 0.156 inches and 0.187 inches

Thread Diameter

0.313 inches

Features Provided

Square nut

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55 pounds per square inch

Hardness Rating

95.0 rockwell b

Neck Width

Between 0.307 inches and 0.324 inches

Material

Steel

Material Specification

Qq-s-633, canc federal specification single material response

Surface Treatment

Cadmium or zinc

Thread Series Designator

Unc

NSN

5306-00-054-8027

Part Number

548027

Description

Bolt,square Neck

CAGE

21450

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part 548027 NSN 5306-00-054-8027

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15939

FIIG:

A003B0

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:

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: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment