Model: 960C551-4

Assembled Washer Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Washer Outside Diameter

Between 0.740 inches and 0.760 inches

Overall Height

Between 0.401 inches and 0.411 inches

Nut Style

Conical

Nut Height

Between 0.320 inches and 0.330 inches

Width Across Flats

Between 0.551 inches and 0.562 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.375 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Copper alloy 360 nut

Material

Stainless steel washer

Material Specification

Qq-b-626, comp 22, 1/2h federal specification single material response nut

Surface Treatment

Nickel nut

Surface Treatment

Passivate washer

NSN

5310-00-925-0471

Part Number

960C551-4

Description

Nut,plain,assembled Washer

CAGE

99167

A plain nut on which has been assembled a nonremovable washer.

Part 960C551-4 NSN 5310-00-925-0471

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

21824

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415290000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper screws, nuts, bolts, rivets, and other fasteners not threaded