Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-142-4377 A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a RETAINER, HELICAL COMPRESSION SPRING. Excludes WASHER (1), (as modified); SEAT, BALL SOCKET and HOLDER, SPRING. See also ROTOR, ENGINE POPPET VALVE.

Part Alternates: 10112729 , 145379, 5340-01-142-4377, 01-142-4377, 5340011424377, 011424377

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 16 NOV 1982 01-142-4377

Drawings & Photos | NSN 5340-01-142-4377


Demand History | NSN 5340-01-142-4377

Part Number Request Date QTY Origin
145379 2022-09-258 12 DIBBS
145379 2022-07-209 12 DIBBS
5340-01-142-4377 2013-02-45 10 DIBBS
5340-01-142-4377 2011-01-06 3 DIBBS

Cross Reference | NSN 5340-01-142-4377

Part Number Cage Code Manufacturer
145379 79318 MEGGITT (NORTH HOLLYWOOD), INC.

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Technical Data | NSN 5340-01-142-4377

Characteristic Specifications
MATERIAL STEEL, QQ-S-763, CLASS 304
MATERIAL HARDNESS RATING NOT RATED
SURFACE TREATMENT PASSIVATED, QQ-P-35, TYPE 2
STYLE DESIGNATOR N1 SEAT
OVERALL HEIGHT 0.0830 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM
END DIAMETER 0.2640 INCHES MINIMUM AND 0.2740 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.0650 INCHES MINIMUM AND 0.0710 INCHES MAXIMUM
FIRST STEP DIAMETER 0.4000 INCHES MINIMUM AND 0.4300 INCHES MAXIMUM
BORE DIAMETER 0.1900 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM
DESIGN TYPE SOLID
SPECIAL FEATURES NOT CASEHARDENED

Restrictions/Controls & Freight Information | NSN 5340-01-142-4377

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 133300 MACHINERY/MACHINES NOI
Less than car load rating M 85
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5340-01-142-4377

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each