Stiff Leg Derrick NSN 3950-00-922-8737

Item Description

A derrick consisting of a spar, mast, or a-frame set on end and usually supported at the bottom by two horizontal spars or sills, with inclined beams running from end of sills to mast to form a triangle. A boom is fastened to the lower end of the mast or of the sills. The boom is so arranged that it may be raised or lowered at different angles or swung horizontally. The hoisting unit is generally not an integral part of this device but may be located any distance from the derrick.

NSN: 3950-00-922-8737

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Features and Characteristics

General Description

100 lg ton capacity, c/o a nonrotating three piece boom, adjustable forreach, 84 ft lg, w/a 15 ft boom extension, carrying both the main hook blockline sheave and the auxiliary hook line sheave, a 41 ft boom back staystrut, a back stay anchorage, an a-frame boom pedestal which extends 31 ft6 in. Above deck, a front and rear pedestal base, a main hook block systemfor 12 part, 1-1/8 in. Diameter wire rope, an auxiliary hook system, w/overhaulball for single-part 7/8 in. Diameter wire rope, a boom fall block system fromthe back stay anchorage w/a 9 part, 1-1/8 in. Diameter wire rope, w/additionalcomponents and parts for mtg to the barge and for the complete operation ofthe derrick, used on a 10 by 30 ft single tier pontoon barge, navfac dwgs1109659 through 1109694 and 1110553 and 1110554

Specification Data

81349-mil-d-82062 government specification

FSC

3950 Derricks Cranes Hoists Winches

NIIN

009228737

NSN

3950009228737

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1109659

Cage Code:

80091

Status:

MSDS:

Part Number:

MIL-D-82062

Cage Code:

81349

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8426990000
NAICS: 333120
SITC: 74439
Description: Lifting machinery, nesoi
End Use (Code 21170):
Materials handling equipment

Q & A

Frequently asked questions for NSN 3950-00-922-8737

What are the manufacturers of nsn 3950009228737?

Naval Facilities Engineering Command (80091)
Military Specifications (81349)

Does this nsn 3950009228737 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 3950009228737
A derrick consisting of a spar, mast, or a-frame set on end and usually supported at the bottom by two horizontal spars or sills, with inclined beams running from end of sills to mast to form a triangle. a boom is fastened to the lower end of the mast or of the sills. the boom is so arranged that it may be raised or lowered at different angles or swung horizontally. the hoisting unit is generally not an integral part of this device but may be located any distance from the derrick.

Does nsn 3950009228737 contain any precious metals?
Precious metal content is unknown.

Does nsn 3950009228737 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 3950009228737?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

03148

FIIG:

A23900

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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