Model: 16U116-121

Thumbscrew

Special Features:

Head undercut 0.060 in. Deep by 0.550 in. Min 0.600 in. Max dia

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.530 inches

Fastener Length

7.770 inches

Head Style

Knurled no. 1

Head Diameter

1.000 inches

Head Height

0.625 inches

Shoulder Diameter

0.432 inches first shoulder and 0.442 inches first shoulder

Shoulder Length

2.120 inches first shoulder

Point Length

0.100 inches

Point Diameter

Between 0.185 inches and 0.192 inches

Point Style

Flat

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

Between 80.0 degrees and 100.0 degrees

Shoulder Shape

Round first shoulder

Material

Steel

Material Specification

Ams 5629 assn standard single material response

Thread Series Designator

Unf

NSN

5305-01-081-8466

Part Number

16U116-121

Description

Thumbscrew

CAGE

81755

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

Part 16U116-121 NSN 5305-01-081-8466

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06673

FIIG:

A003B0

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:

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:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment