Model: 37889

Single Ball Sea Self-locking Nut

Properties:

Thread Class

Thread Direction

Left-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Single ball seat, hexagon

Ball Seat Radius

0.875 inches

Nut Height

0.875 inches

Width Across Flats

Between 1.480 inches and 1.505 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Material

Steel

Surface Treatment

Cadmium or zinc

NSN

5310-00-841-5411

Part Number

37889

Description

Nut,self-locking,single Ball Sea

CAGE

56697

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

Part 37889 NSN 5310-00-841-5411

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29732

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