NSN 2990-00-448-3631 SIZE20, FB5019, 3R7698

Product Details | MUFFLER-EXHAUST PIPE PROTECTIVE CAP ASSEMBLY

2990-00-448-3631 An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes CAP, PROTECTIVE, DUST AND MOISTURE SEAL.

Part Alternates: SIZE20, FB5019, 3R7698, 704204, 70-4204, 870616, 870-616, 91251026, 9125-1026, 04306-0690, 11021, 2870616, 2990-00-448-3631, 00-448-3631, 2990004483631, 043060690, 004483631

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
29	04 JAN 1971	00-448-3631	61446 ( CAP ASSEMBLY, PROTECTIVE, MUFFLER-EXHAUST PIPE )

Part Number	Request Date	QTY	Origin
2990-00-448-3631	2009-08-215	25	DIBBS
2990-00-448-3631	2008-02-58	23	DIBBS
2990-00-448-3631	2007-06-179	16	DIBBS

Cross Reference | NSN 2990-00-448-3631

Part Number	Cage Code	Manufacturer
04306-0690	93568	HARSCO CORP BMY-COMBAT SYSTEMS DIV
11021	36391	WOOD JOHN CO LTD
11021	81859	GLEASON CORP ANTHES DIV
2870616	17284	MERCURY METAL PRODUCTS
3R7698	11083	CATERPILLAR INC. DBA CATERPILLAR
70-4204	30554	DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER
870-616	17284	MERCURY METAL PRODUCTS
9125-1026	37562	MACLEOD INC
FB5019	17284	MERCURY METAL PRODUCTS
SIZE20	81859	GLEASON CORP ANTHES DIV

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Related Products | NSN 2990-00-448-3631

2990-00-448-9816, 2990-00-448-9879, 2990-00-449-2365, 2990-00-449-5738, 2990-00-449-5739

Technical Data | NSN 2990-00-448-3631

Characteristic	Specifications
MATERIAL	STEEL CORROSION RESISTING
PIPE OUTSIDE DIAMETER ACCOMMODATED	6.620 INCHES

Restrictions/Controls & Freight Information | NSN 2990-00-448-3631

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	116430	CAPS,ENGINE RADIATOR
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	593	unknown
Originating Activity Code	AX	Defense Supply Center Columbus Columbus, OH 43216-5000
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 2990-00-448-3631

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	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

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	SU	SU:AF SICA RESIDUAL MMAC-OO-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	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

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	Z	INSURANCE/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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each