Model: 1881B177

Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.535 inches

Fastener Length

3.125 inches

Head Style

Round w/wrench flats

Head Diameter

Between 0.9976 inches and 0.9985 inches

Head Height

0.250 inches

Width Between Flats

1.250 inches

Shoulder Diameter

0.875 inches first shoulder

Shoulder Length

2.590 inches first shoulder

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Minimum Yield Strength

200000 pounds per square inch

Shoulder Shape

Round first shoulder

Material

Steel comp 4340

Material Specification

Mil-s-8844 class 1 military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 cl 1 type 2 federal specification single treatment response

Thread Series Designator

Unf

NSN

5306-01-187-3857

Part Number

1881B177

Description

Bolt,shoulder

CAGE

13002

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (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 not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 1881B177 NSN 5306-01-187-3857

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04905

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:

0.5000lbs

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:

574

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