Model: 6503-158 ITEM 23L1

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.855 inches and 0.891 inches

Width Across Flats

Between 1.052 inches and 1.064 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Criticality Code Justification

Zzzy

Material

Stainless steel

Reference Number Differentiating Characteristics

Material controlled iaw navsea 0948-lp-045-7010 material control standard for level 1 items. Critical item for safety and survival od deep submergence research and rescue vehicals as differentiated by special test features.

NSN

5310-01-568-0713

Part Number

6503-158 ITEM 23L1

Description

Nut,self-locking,hexagon

CAGE

03950

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 6503-158 ITEM 23L1 NSN 5310-01-568-0713

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

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