Model: 207-12-1

Shoulder Screw

Special Features:

Undercut under the shoulder 0.050 in. Min and 0.100 in. Max lg; 0.615 in. Min and 0.625 in. Max dia

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.820 inches

Fastener Length

Between 2.690 inches and 2.710 inches

Head Style

Bevel-conical

Head Diameter

Between 0.122 inches and 0.123 inches

Head Height

Between 0.290 inches and 0.310 inches

Shoulder Diameter

0.748 inches first shoulder and 0.749 inches first shoulder

Shoulder Length

1.870 inches first shoulder and 1.890 inches first shoulder

Internal Drive Style

Hexagon

Thread Diameter

0.625 inches

Width Across Flats

Between 0.375 inches and 0.378 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

300000 pounds per square inch

Hardness Rating

55.0 rockwell c and 58.0 rockwell c

Shoulder Shape

Round first shoulder

Material

Vanadium

Surface Treatment

Cadmium

Surface Treatment Specification

Mil-c-8837, type 1 cl 2 military specification single treatment response

Thread Series Designator

Unf

NSN

5305-00-891-3673

Part Number

207-12-1

Description

Screw,shoulder

CAGE

06725

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes bolt, internal wrenching and screw, cap, socket head.

Part 207-12-1 NSN 5305-00-891-3673

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22846

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:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8112991000
SITC: 69999
End Use: Finished metal shapes
NAICS: 331491
USDA: 1

Freight Class: Germanium and articles thereof, wrought, waste and scrap, powders, nesoi