Product Details | HELICAL COMPRESSION SPRING SEAT

5340-01-041-6839 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: BL8923, BL-8923, 5340-01-041-6839, 01-041-6839, 5340010416839, 010416839

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 28 MAY 1977 01-041-6839

Cross Reference | NSN 5340-01-041-6839

Part Number Cage Code Manufacturer
BL-8923 08484 BREEZE-EASTERN CORPORATION

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Technical Data | NSN 5340-01-041-6839

Characteristic Specifications
MATERIAL STEEL, MIL-S-5000, COMP E4340
MATERIAL HARDNESS RATING 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT CADMIUM, QQ-P-416, TYPE 2, CLASS 2
OVERALL HEIGHT 0.3120 INCHES NOMINAL
END DIAMETER 1.3800 INCHES NOMINAL
DISTANCE FROM END TO FIRST STEP 0.0940 INCHES NOMINAL
FIRST STEP DIAMETER 2.1250 INCHES NOMINAL
BORE DIAMETER 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM
DESIGN TYPE SOLID
MANUFACTURERS CODE 08484
DESIGN CONTROL REFERENCE BL-8923

Restrictions/Controls & Freight Information | NSN 5340-01-041-6839

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.
Category Code Description
NMF Description 095190 HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating Q 70.0
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