Model: 243-6985876-25

Hexagon Plain Nut

Special Features:

Nut has hole (.250"-20unc-2b) on top (full thd); 6x.125" through slots on top and .38" from top edge

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

5.810 inches

End Application

Swing assembly; w/s: seawolf class ssn

Width Across Flats

6.500 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

4.000 inches

Hole Configuration Style

Configuration a

Bearing Surface Type

Chamfered

Part Name Assigned By Controlling Agency

Nut, hex, rotor

Material

Nickel alloy 400

Material Specification

Qq-n-281, class a, form-1, cond.-hf federal specification single material response

NSN

5310-01-511-0355

Part Number

243-6985876-25

Description

Nut,plain,hexagon

CAGE

53711

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.)

Part 243-6985876-25 NSN 5310-01-511-0355

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

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:

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:

093470

UFC:

48940

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)