Model: NAS28-4

Tee Head Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 2.490 inches and 2.510 inches

Fastener Length

Between 3.490 inches and 3.510 inches

Head Style

Tee no. 3

Head Height

Between 0.150 inches and 0.170 inches

Head Length

Between 0.420 inches and 0.440 inches

Width Between Flats

Between 0.370 inches and 0.390 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Material

Steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130

Material Specification

Mil-s-6098 military specification 1st material response or mil-s-6758 military specification 4th material response

Surface Treatment

Cadmium and chromate or zinc

Surface Treatment Specification

Qq-p-416 type 2 class 3 federal specification 1st treatment response and qq-p-416 type 2 class 3 federal specification 2nd treatment response or qq-z-325 type 1 class 3 federal specification 3rd treatment response

Thread Series Designator

Unjf

Specification Data

80205-nas284 professional/industrial association standard

NSN

5306-00-206-7667

Part Number

NAS28-4

Description

Bolt,tee Head

CAGE

80205

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 NAS28-4 NSN 5306-00-206-7667

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