Model: 278671

Round Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Drive Point Depth

0.150 inches

Nut Style

Round

Nut Diameter

Between 1.740 inches and 1.760 inches

Nut Thickness

Between 0.340 inches and 0.360 inches

Drive Point Width

0.190 mils and 0.200 centimeters

Drive Point Quantity

End Application

W/s: engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h); engine, aircraft, tf-33-p-7 (c-141a/b); aircraft, stratofortress b-52; engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p); aircraft, awacs, e-3a; aircraft, stratolifter c-135; aircraft, eagle f-15; aircraft, f-111

Thread Series

Unef

Thready Qty Per Inch (tpi)

Thread Size

1.375 inches

Material

Steel comp 8740

Material Specification

Ams 6322 assn standard single material response or ams 6323 assn standard single material response

NSN

5310-00-531-1279

Part Number

278671

Description

Nut,plain,round

CAGE

77445

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 278671 NSN 5310-00-531-1279

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15887

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:

0.1000lbs

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