Model: 1227T488

Octagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Plain, octagon

Nut Height

Between 0.305 inches and 0.319 inches

End Application

W/s; trlr, cargo, 3/4t, 2-whl, tam d08607; guided missile, intercept; trailer tank, water 400 gal, m149a2; chassis, trlr, gp, 3 1/2t, 2-whl, tam d00807; cargo trailer, m105a3

Width Across Flats

Between 3.344 inches and 3.406 inches

Thread Series

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Hardness Rating

Between 89.0 rockwell superficial 15-n and 91.0 rockwell superficial 15-n

Thread Size

2.625 inches

Countersink Angle

90.0 degrees nut and 100.0 degrees nut

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1023 or steel comp 1025

NSN

5310-00-741-1379

Part Number

1227T488

Description

Nut,plain,octagon

CAGE

97286

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 1227T488 NSN 5310-00-741-1379

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:

0.4000lbs

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