Model: 1/4-20UNC-2A X 1 IN.

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.900 inches and 1.000 inches

Fastener Length

1.000 inches

Head Style

Pan

Head Diameter

Between 0.473 inches and 0.492 inches

Head Height

Between 0.162 inches and 0.175 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Screw Material

Steel comp 1008 or steel comp 1010 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1025 or steel comp 1030 or steel comp 1035 or steel comp 1040 or steel comp 1045 or steel comp 1050 or steel comp 1095 or steel comp 1213 or steel comp 1115 or steel comp 1117 or steel comp 1118 or steel comp 1137 or steel comp 1141 or steel comp 1144 or steel comp 1151 or steel comp 12l14 or steel comp 1211 or steel comp 1212 or steel comp 1213 or steel comp 1215 or steel comp 1330 or steel comp 1548

Screw Material Specification

Astm a108 assn standard all material responses

Screw Surface Treatment

Zinc and chromate

Screw Surface Treatment Specification

Astm b633 ty-2 fe/zn 13 assn standard single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

3 type and 9c style

NSN

5305-01-306-6067

Part Number

1/4-20UNC-2A X 1 IN.

Description

Screw,machine

CAGE

80204

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part 1/4-20UNC-2A X 1 IN. NSN 5305-01-306-6067

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

1.6000lbs

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:

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