Model: 78721-1216

Round Plain Nut

Special Features:

Six slots equally spaced 0.156 in. Min 0.186 in. Max wide by 0.270 in. Nom deep; dry film lubricant

Properties:

Thread Class

Thread Direction

Right-hand

Drive Point Depth

Between 0.075 inches and 0.077 inches

Nut Diameter

1.230 inches

Nut Thickness

Between 0.560 inches and 0.580 inches

Drive Point Width

Between 0.094 inches and 0.103 inches

Drive Point Quantity

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Surface Treatment

Aluminum

Surface Treatment Specification

Ps13143, type 2, cl 3 mfr ref 1st treatment response

NSN

5310-01-135-3548

Part Number

78721-1216

Description

Nut,plain,round

CAGE

56878

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 78721-1216 NSN 5310-01-135-3548

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15887

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:

573

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