NSN 3020-00-252-7349 A220202, ASA502, ASA50-2

Product Details | ROLLER CHAIN

3020-00-252-7349 A flexible mechanical device consisting of one or more rows of links used for conveying or power transmission. The link side plates are flat or offset and are spaced apart by rollers, bushings and/or pins. The chain mates with a sprocket with an articulating action. The non-rotating bushing type chain is limited to that designated by the American National Standards Institute as "roller chain". Excludes CHAIN, BLOCK.

Part Alternates: A220202, ASA502, ASA50-2, D0UBLE140X38, D0UBLE140X3-8, RC502, RC50-2, 502, 50-2, D50, 3020-00-252-7349, 00-252-7349, 3020002527349, 002527349

Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
30	01 JAN 1961	00-252-7349	04457 ( CHAIN, ROLLER )

Drawings & Photos | NSN 3020-00-252-7349

Part Number	Request Date	QTY	Origin
50-2	2025-08-219	62	DIBBS
50-2	2024-03-88	60	DIBBS
50-2	2023-08-229	49	DIBBS
50-2	2023-07-199	30	DIBBS
D50	2022-08-231	2	United States
50-2	2022-04-94	45	DIBBS
50-2	2022-03-76	109	DIBBS
D50	2020-05-127	1	US
3020-00-252-7349	2018-05-137	106	DIBBS
3020-00-252-7349	2017-12-362	140	DIBBS
3020-00-252-7349	2017-10-283	1	US
3020-00-252-7349	2017-03-65	63	DIBBS
3020-00-252-7349	2016-05-139	90	DIBBS
3020-00-252-7349	2016-01-15	66	DIBBS
3020-00-252-7349	2015-12-350	66	DIBBS
3020-00-252-7349	2015-05-148	48	DIBBS
3020-00-252-7349	2014-12-338	57	DIBBS
3020-00-252-7349	2014-04-93	46	DIBBS
3020-00-252-7349	2011-01-11	63	DIBBS
3020-00-252-7349	2010-09-265	680	DIBBS
3020-00-252-7349	2009-10-292	68	DIBBS
3020-00-252-7349	2008-06-156	423	DIBBS
3020-00-252-7349	2008-04-108	168	DIBBS
3020-00-252-7349	2008-02-37	213	DIBBS
3020-00-252-7349	2008-01-23	160	DIBBS
3020-00-252-7349	2008-01-22	96	DIBBS
3020-00-252-7349	2007-11-323	50	DIBBS
3020-00-252-7349	2007-03-73	82	DIBBS

Cross Reference | NSN 3020-00-252-7349

Part Number	Cage Code	Manufacturer
50-2	55739	JEFFREY CHAIN L.P.
50-2	71041	ALTRA HOLDINGS, INC. DIV BOSTON GEAR
50-2	78985	UNION CHAIN DIV OF UST INC
50-2	81130	WHITNEY CHAIN OPERATION POWER TRANSMISSION DIV DRESSER INDUSTRIES
A220202	58861	FEDERAL EQUIPMENT COMPANY DBA USE CAGE CODE 60587 FOR
A220202	60587	FEDERAL EQUIPMENT COMPANY
ASA50-2	72625	DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC
ASA50-2	80204	AMERICAN NATIONAL STANDARDS INSTITUTE, INCORPORATED
D0UBLE140X3-8	72625	DIAMOND CHAIN CO DIV OF AMSTED INDUSTRIES INC
D50	11406	REXNORD HOLDINGS INC
D50	71041	ALTRA HOLDINGS, INC. DIV BOSTON GEAR
D50	81130	WHITNEY CHAIN OPERATION POWER TRANSMISSION DIV DRESSER INDUSTRIES
RC50-2	2Y614	LINK-BELT CONSTRUCTION EQUIPMENT COMPANY, L.P., LLLP
RC50-2	36384	FMC CORP LINK-BELT DIV

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Related Products | NSN 3020-00-252-7349

3020-00-252-7351, 3020-00-252-7352, 3020-00-252-7353, 3020-00-252-7354, 3020-00-252-7355

Technical Data | NSN 3020-00-252-7349

Characteristic	Specifications
MATERIAL	STEEL
NOMINAL PITCH DISTANCE	0.625 INCHES
FIRST CHAIN LINK STYLE	A1 ROLLER
FIRST CHAIN LINK PLATE NOMINAL THICKNESS	0.0800 INCHES
FIRST CHAIN LINK ROLLER NOMINAL DIAMETER	0.4000 INCHES
FIRST CHAIN LINK NOMINAL WIDTH BETWEEN PLATES	0.3750 INCHES
FIRST CHAIN LINK PLATE WIDTH	0.594 INCHES NOMINAL
SECOND CHAIN LINK STYLE	A2 PIN
SECOND CHAIN LINK PLATE NOMINAL THICKNESS	0.0800 INCHES
SECOND CHAIN LINK PIN NOMINAL DIAMETER	0.2000 INCHES
SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES	0.5350 INCHES
SECOND CHAIN LINK PLATE WIDTH	0.512 INCHES NOMINAL
LINK ROW QUANTITY	2
PIN FASTENING METHOD	RIVETED
MINIMUM TENSILE STRENGTH	9760 POUNDS PER SQUARE INCH

Restrictions/Controls & Freight Information | NSN 3020-00-252-7349

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious 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	093940	CHAINS BELTING/SPROCKET
Less than car load rating
Less than truck load rating	S	60.0
Water commodity Code	576	unknown
Originating Activity Code	XX
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	V	Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 3020-00-252-7349

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Z PG : Package

Category	Code	Description
Budget Code	9	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.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 PG : Package

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Z PG : Package

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Z PG : Package