Product Details | HELICAL COMPRESSION SPRING SEAT

5340-00-411-4051 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: LW10076, LW16475, LW-16475, 5340-00-411-4051, 00-411-4051, 5340004114051, 004114051

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 27 AUG 1969 00-411-4051

Drawings & Photos | NSN 5340-00-411-4051


Demand History | NSN 5340-00-411-4051

Part Number Request Date QTY Origin
LW16475 2023-07-195 6 Germany
LW-16475 2012-04-107 12 Lebanon

Cross Reference | NSN 5340-00-411-4051

Part Number Cage Code Manufacturer
LW-16475 K8793 OXFORD AVIATION SERVICES LTD T/A CSE AVIATION
LW10076 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT
LW16475 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT
LW16475 R1120 SATAIR A/S

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Technical Data | NSN 5340-00-411-4051

Characteristic Specifications
MATERIAL STEEL
MATERIAL HARDNESS RATING NOT RATED
STYLE DESIGNATOR N15 SEAT
OVERALL HEIGHT 0.5300 INCHES NOMINAL
END DIAMETER 0.9350 INCHES MINIMUM AND 0.9450 INCHES MAXIMUM
DISTANCE FROM END TO FIRST STEP 0.3820 INCHES MINIMUM AND 0.3870 INCHES MAXIMUM
FIRST STEP DIAMETER 1.2750 INCHES MINIMUM AND 1.2850 INCHES MAXIMUM
FIRST STEP LENGTH 0.0650 INCHES NOMINAL
SECOND STEP DIAMETER 1.6600 INCHES MINIMUM AND 1.6700 INCHES MAXIMUM
BORE DIAMETER 0.5030 INCHES MINIMUM AND 0.5080 INCHES MAXIMUM
SECOND COUNTERSINK DIAMETER 0.4060 INCHES MINIMUM AND 0.4160 INCHES MAXIMUM
COUNTERBORE DIAMETER 0.6850 INCHES MINIMUM AND 0.6900 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG 20.0
SEAT ANGLE IN DEG 30.0
DESIGN TYPE SOLID
SPECIAL FEATURES NOT CASEHARDENED;MATL-STEEL AISI 1113
MANUFACTURERS CODE 80254
DESIGN CONTROL REFERENCE LW16475

Restrictions/Controls & Freight Information | NSN 5340-00-411-4051

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:UPrecious metal type is unknown
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 095190 HARDWARE, NOI SUB 9
Less than car load rating Q 70
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 5340-00-411-4051

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Materiel Management Aggregation CodePCSU:LYCOMING RECIPROCATING ENGINES & COMPONENTS, 0–435, 0–480
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each