Model: 66604F

Octagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Plain, octagon

Nut Height

0.563 inches

End Application

W/s: trailer, semi (m986) & chassis, trailer, semi (m999); trailer, semi (m860a1); trailer, semi (m747)(het); trailer, semi, tank, fuel 5000 gal, 12-ton 4-wheel w/e; trailer, semi, tank, 5000 gal, bulk; truck, cargo, 5-ton, 6x6, xlwb w/e; missile, patriot; airborne mobile dir air spt ctl (2id)(02mjul83)(an/uyq-3a); truck, fire/crash p12; radar set, firefinder (an/tpq-36)

Width Across Flats

4.375 inches

Thread Series

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Thread Size

3.375 inches

Bearing Surface Type

Chamfered

Material

Steel comp 1212 or steel comp 1020

Material Specification

Qq-s-637 federal specification 1st material response or astm a108 assn standard 2nd material response

NSN

5310-00-353-2427

Part Number

66604F

Description

Nut,plain,octagon

CAGE

56442

A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

Part 66604F NSN 5310-00-353-2427

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16979

FIIG:

A021A0

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:

0.5000lbs

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: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel