Model: 66556-.040-12

Self-locking Stud

Properties:

Thread Class

2a stud thread

Thread Direction

Right-hand stud thread

Thread Length

0.172 inches stud thread and 0.202 inches stud thread

Head Diameter

Between 0.197 inches and 0.201 inches

Head Length

Between 0.036 inches and 0.040 inches

Locking Feature

Head distortions

Overall Length

Between 0.208 inches and 0.242 inches

End Application

Spec item

Distance Across Flats

0.250 inches

Thready Qty Per Inch (tpi)

32 stud thread

Thread Size

0.138 inches stud thread

Material

Steel comp 303

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Self-locking

Thread Series Designator

Unc stud thread

NSN

5307-00-882-8432

Part Number

66556-.040-12

Description

Stud,self-locking

CAGE

51506

Part 66556-.040-12 NSN 5307-00-882-8432

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:

573

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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