Product Details | PISTON RING
2805-00-990-3221 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.20628050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components28250029Steam Turbines and Components30400042Miscellaneous Power Transmission Equipment43100028Compressors and Vacuum Pumps
Part Alternates: 25916207, 2805-00-990-3221, 00-990-3221, 2805009903221, 009903221
Engines, Turbines, and Components | Gasoline Reciprocating Engines, Except Aircraft; and Components
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | 01 JAN 1962 | 00-990-3221 | 11459 ( RING, PISTON ) |
Drawings & Photos | NSN 2805-00-990-3221
Demand History | NSN 2805-00-990-3221
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 2805-00-990-3221 | 2021-07-19 | 6 | US |
| 25916207 | 2018-11-13 | 1 | US |
| 2805-00-990-3221 | 2018-05-03 | 6 | Canada |
| 25916207 | 2017-05-01 | 2 | United States |
| 2805-00-990-3221 | 2015-03-23 | 335 | DIBBS |
| 2805-00-990-3221 | 2015-03-12 | 335 | DIBBS |
| 2805-00-990-3221 | 2014-02-26 | 100 | DIBBS |
| 2805-00-990-3221 | 2013-12-09 | 24 | DIBBS |
| 2805-00-990-3221 | 2013-02-22 | 15 | DIBBS |
| 2805-00-990-3221 | 2013-01-27 | 42 | DIBBS |
| 2805-00-990-3221 | 2013-01-27 | 50 | DIBBS |
| 2805-00-990-3221 | 2011-03-13 | 70 | DIBBS |
| 2805-00-990-3221 | 2010-08-20 | 12 | DIBBS |
| 2805-00-990-3221 | 2009-08-16 | 2 | DIBBS |
| 2805-00-990-3221 | 2008-12-19 | 5 | DIBBS |
| 25916207 | 2008-05-27 | 6 | us |
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Related Products | NSN 2805-00-990-3221
2805-00-991-0680, 2805-00-991-3001, 2805-00-991-3529, 2805-00-991-3532, 2805-00-991-3579
Technical Data | NSN 2805-00-990-3221
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5621 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | A1 PLAIN RECTANGULAR, STRAIGHT FACE |
| JOINT STYLE | 1 VERTICAL JOINT |
| RING STYLE | 1 CONCENTRIC |
| RADIAL WALL THICKNESS | 0.0610 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM |
| OVERALL WIDTH | 0.0250 INCHES MINIMUM AND 0.0270 INCHES MAXIMUM |
| STANDARD BORE DIAMETER | 1.925 INCHES |
| MANUFACTURERS CODE | 79318 |
| DESIGN CONTROL REFERENCE | 25916207 |
Restrictions/Controls & Freight Information | NSN 2805-00-990-3221
| Category | Code | Description |
|---|---|---|
| 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: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| 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 | 126700 | PISTON RINGS,IRON |
| Less than car load rating | P | 77.5 |
| Less than truck load rating | M | 85.0 |
| Water commodity Code | 594 | 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 2805-00-990-3221
Army
Navy| 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 | A | Item requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions. |
| Acquisition Advice Codes | J | NOT 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 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 | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative | Purchasing | QTY UOM |
1 EA : Each |