Model: 25704-281280-42-0

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.290 inches and 0.330 inches

Fastener Length

Between 0.290 inches and 0.330 inches

Head Style

Headless (setscrew)

Locking Feature

Pellet threads

Point Style

Cup

Internal Drive Style

Hexagon

Thread Diameter

0.138 inches

Width Across Flats

Between 0.062 inches and 0.063 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 34.0 rockwell c

Material

Steel comp 4130 or steel comp 4135 or steel comp 4137 or steel comp 4140 or steel comp 5130 or steel comp 5132 or steel comp 5135 or steel comp 5140 or steel comp 8630 or steel comp 8637 or steel comp 8640

Material Specification

66 federal standard all material responses

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification all treatment responses

Thread Series Designator

Unc

NSN

5305-00-461-5550

Part Number

25704-281280-42-0

Description

Setscrew

CAGE

D1839

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 25704-281280-42-0 NSN 5305-00-461-5550

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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:

50.0

WCC:

713

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