Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-268-2750 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: A49399MEA, D50557 ITEM 8, D50557ITEM8, 5340-01-268-2750, 01-268-2750, 5340012682750, 012682750

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 26 NOV 1987 01-268-2750

Drawings & Photos | NSN 5340-01-268-2750


Demand History | NSN 5340-01-268-2750

Part Number Request Date QTY Origin
5340-01-268-2750 2015-04-120 5 DIBBS
5340-01-268-2750 2014-11-307 5 DIBBS
5340-01-268-2750 2014-10-289 2 DIBBS
5340-01-268-2750 2014-04-93 4 DIBBS
5340-01-268-2750 2013-03-63 5 DIBBS

Cross Reference | NSN 5340-01-268-2750

Part Number Cage Code Manufacturer
A49399MEA 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS
D50557 ITEM 8 34889 HUNT VALVE COMPANY INC DBA UNION FLONETICS

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Technical Data | NSN 5340-01-268-2750

Characteristic Specifications
MATERIAL STEEL, ASTM A582, TYPE 303
MATERIAL HARDNESS RATING NOT RATED
STYLE DESIGNATOR N17 SEAT
OVERALL HEIGHT 1.0000 INCHES NOMINAL
END DIAMETER 3.1800 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.4300 INCHES NOMINAL
FIRST STEP DIAMETER 4.6250 INCHES NOMINAL
BORE DIAMETER 0.8120 INCHES NOMINAL
SPHERICAL SEAT TOP RADIUS 1.5000 INCHES NOMINAL
DESIGN TYPE SOLID

Restrictions/Controls & Freight Information | NSN 5340-01-268-2750

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.
Category Code Description
NMF Description 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 5340-01-268-2750

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