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NSN 3990-01-094-3757, 3990010943757
DECOUPLER,LOAD CRANE

Federal Supply Classification
FSC 3990 - Miscellaneous Materials Handling Equipment
National Item Identification Number
NIIN 010943757
Codification Country
United States
Item Name Code
INC 77777
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 3990-01-094-3757

National Stock Number (NSN) 3990-01-094-3757, or NIIN 010943757, (decoupler,load crane) was assigned May 8, 1980 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3990010943757 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION
(TEXT) STEEL,CORROSION RESISTANT,STAINLESS AND STRUCTURAL PLASTICS,INSTALLED LG CENTER TO CENTER OF PAD EYE 43.00 IN. PLUS OR MINUS .50 IN.,FULLY EXTENDED LG 57.00 IN. PLUS OR MINUS .50 IN.,PAD EYE THICKNESS AT BOTH ENDS 3.875 IN. PLUS OR MINUS .125 IN.,PAD EYE DIA BOTH ENDS 2.875 IN. PLUS OR MINUS .125 IN.,CYL DIA APPROX 15.75 IN.,DECOUPLER FURNISHED W/A 2.50 IN. ZINC COATED ANCHOR SHACKLE AT BOTH ENDS CROSBY MODEL G-209 OR EQUAL IAW RR-C-271 TYPE II CLASS I,ALSO ONE ZINC COATED ROUND SHAPED LINK IAW RR-C-271 TYPE VI TO CONNECT TO CRANE HOOK,TOTAL ITEM ESTIMATED WT 1030 LBS,MINIMUM DESIGN PARAMETERS ARE DAMPING 45000 LBS AT 9 FT/SEC,PRELOAD 55000 LBS NOM,ENDLOAD 100000 LBS NOM,STROKE 14.00 IN.,MAX REACTION FORCE 80000 LBS AT 7.24 FT/SEC IMPACT SPEED OR 100000 LBS AT 9 FT/SEC IMPACT SPEED,DECOUPLER IS NORMALLY USED W/50 TON LOADING CRANE

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