Model: C307-5

Barrel Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.363 inches and 0.373 inches

Nut Style

Floating self-locking barrel

Nut Diameter

Between 0.669 inches and 0.672 inches

Nut Length

Between 0.585 inches and 0.605 inches

Barrel Height

Between 0.486 inches and 0.506 inches

Nut Height

0.583 inches

Nut Counterbore Depth

0.263 inches and 0.283 inches

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Hardness Rating

Between 40.0 rockwell c and 45.0 rockwell c

Thread Size

0.3125 inches

Material

Steel comp h11

Material Specification

Ams 6485 assn standard single material response

Surface Treatment

Nickel and cadmium

Surface Treatment Specification

Ams-2416 assn standard all treatment responses

Specification Data

81755-c307 manufacturers specification control

NSN

5310-01-188-5804

Part Number

C307-5

Description

Nut,self-locking,barrel

CAGE

81755

A nut of cylindrical or partly cylindrical cross-section with integral threads perpendicular to the axial centerline. Ends may be flat or flanged. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, round.

Part C307-5 NSN 5310-01-188-5804

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15891

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:

0.1000lbs

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:

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