Model: 1-4 28UNF2A3 1-2X3-4

Tee Head Bolt

Special Features:

Furnished with one cres bushing, per mil-s-509 type 302 annealed or comp 301, 1/4 hard, mtd over tee head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

2.440 inches

Fastener Length

3.300 inches

Head Style

Tee no. 5

Head Length

0.750 inches

Tee Bolt Cylindrical Head Diameter

0.400 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

4080 pounds per square inch

Hardness Rating

27.0 rockwell c and 33.0 rockwell c

Minimum Yield Strength

3130 pounds per square inch

Material

Steel comp 4037

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 2 federal specification single treatment response

Thread Series Designator

Unf

NSN

5306-00-876-2219

Part Number

1-4 28UNF2A3 1-2X3-4

Description

Bolt,tee Head

CAGE

00624

An externally threaded fastener whose threaded portion is of one nominal diameter and with a head specially designed to fit in a slot and hold against turning.

Part 1-4 28UNF2A3 1-2X3-4 NSN 5306-00-876-2219

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06668

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:

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: 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