C278

Hexagon Plain Nut

NSN 5310-00-550-4780

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

005504780

Technical Specifications of NSN

Thread Class:

Thread Direction:

Right-hand

Nut Style:

Hexagon

Nut Height:

Between 0.240 inches and 0.260 inches

Drilled Hole Diameter:

0.170 inches

Hole Type And Quantity:

3 drilled

Width Across Flats:

Between 0.990 inches and 1.010 inches

Thread Series:

Unef

Thready Qty Per Inch (tpi):

Thread Size:

0.812 inches

Hole Configuration Style:

Configuration h

Bearing Surface Type:

Chamfered

Material:

Steel comp 416

Material Specification:

Aisi assn standard single material response

Surface Treatment:

Passivate

NSN:

5310-00-550-4780

Item Name:

Nut,plain Precision

Cage Code:

98939

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Plain Precision Nut"

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. 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.)