Model: 1808878-1

Spline Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Pilot Diameter

0.350 inches

Pilot Length

0.165 inches

Nut Height

0.478 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 303 or steel comp 303se

Material Specification

Sae assn standard all material responses

Surface Treatment

Passivate

NSN

5310-00-761-1311

Part Number

1808878-1

Description

Nut,self-locking,spline

CAGE

55972

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

Part 1808878-1 NSN 5310-00-761-1311

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15893

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:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

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