Model: HFHS-0420-28

Self-locking Stud

Special Features:

Tensile strength 75000 psi

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

1.620 inches nut thread and 1.750 inches nut thread

Head Diameter

Between 0.360 inches and 0.380 inches

Head Length

0.035 inches

Locking Feature

Self-clinching head

Overall Length

Between 1.735 inches and 1.765 inches

Thready Qty Per Inch (tpi)

20 nut thread

Thread Size

0.250 inches nut thread

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Self-locking

Thread Series Designator

Unc nut thread

NSN

5307-01-245-0783

Part Number

HFHS-0420-28

Description

Stud,self-locking

CAGE

46384

Part HFHS-0420-28 NSN 5307-01-245-0783

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27783

FIIG:

A051A0

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:

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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