Model: HT308-5-21

Shoulder Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.492 inches and 0.558 inches

Fastener Length

Between 1.764 inches and 1.810 inches

Head Style

Flat countersunk

Head Diameter

Between 0.625 inches and 0.635 inches

Shoulder Diameter

0.3422 inches first shoulder and 0.3432 inches first shoulder

Shoulder Length

1.182 inches first shoulder and 1.202 inches first shoulder

Internal Drive Style

High-torque

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 90.0 degrees and 110.0 degrees

Shoulder Shape

Round first shoulder

Material

Steel

Material Specification

23-105 fscm 76301 mfr ref single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ps 13145 fscm 76301 mfr ref single treatment response

Thread Series Designator

Unjf

NSN

5305-01-091-7925

Part Number

HT308-5-21

Description

Screw,shoulder

CAGE

73197

Part HT308-5-21 NSN 5305-01-091-7925

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22846

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:

713

TCC:

SHC:

ACC:

Construction Materials

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