Product Details | PREFORMED PACKING

5330-01-259-0721 A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see WASHER (as modified) and GASKET. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see SEAL, NONMETALLIC ANGLE; SEAL, NONMETALLIC CHANNEL; and SEAL, NONMETALLIC, SPECIAL SHAPED SECTION. For circular (with aperature) nonmetallic items with a solid round cross-section see O-RING. Excludes CUP, COMPRESSION; GASKET; WASHER (as modified); and FELT, MECHANICAL, PREFORMED.

Part Alternates: 56A460250, 56A460-250, 7520563, 752056-3, 5330-01-259-0721, 01-259-0721, 5330012590721, 012590721

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 13 JUL 1987 01-259-0721

Drawings & Photos | NSN 5330-01-259-0721


Demand History | NSN 5330-01-259-0721

Part Number Request Date QTY Origin
56A460-250 2025-08-225 701 DIBBS
56A460-250 2025-05-142 244 DIBBS
56A460-250 2025-05-126 687 DIBBS
56A460-250 2025-04-100 227 DIBBS
56A460-250 2025-02-41 672 DIBBS
5330-01-259-0721 2025-01-20 20 Singapore
56A460-250 2024-10-296 608 DIBBS
56A460-250 2024-09-270 659 DIBBS
56A460-250 2024-05-151 281 DIBBS
56A460-250 2023-11-330 433 DIBBS
56A460-250 2023-11-316 433 DIBBS
56A460-250 2023-10-299 289 DIBBS
56A460-250 2023-07-201 535 DIBBS
56A460-250 2023-07-190 535 DIBBS
56A460-250 2023-05-121 245 DIBBS
56A460-250 2023-04-110 245 DIBBS
7520563 2023-03-81 72 IN
56A460-250 2023-02-44 253 DIBBS
56A460-250 2023-02-33 253 DIBBS
56A460-250 2022-12-342 278 DIBBS
56A460-250 2022-11-331 278 DIBBS
56A460-250 2022-06-164 203 DIBBS
56A460-250 2022-02-54 152 DIBBS
56A460-250 2022-02-53 152 DIBBS
56A460-250 2022-02-33 539 DIBBS
56A460-250 2021-12-350 53 DIBBS
56A460-250 2021-11-326 486 DIBBS
56A460-250 2021-10-290 377 DIBBS
56A460-250 2021-09-264 327 DIBBS
56A460-250 2021-09-257 1009 DIBBS
56A460-250 2021-08-227 67 DIBBS
56A460-250 2020-07-201 528 DIBBS
56A460-250 2020-06-166 217 DIBBS
56A460-250 2020-02-51 280 DIBBS
56A460-250 2019-10-281 412 DIBBS
56A460-250 2019-07-212 75 DIBBS
5330-01-259-0721 2019-02-38 1 DIBBS-RFPs
5330-01-259-0721 2014-08-233 400 DIBBS
5330-01-259-0721 2014-04-98 176 DIBBS
5330-01-259-0721 2014-03-84 162 DIBBS
5330-01-259-0721 2014-03-63 117 DIBBS
5330-01-259-0721 2014-02-48 117 DIBBS
5330-01-259-0721 2009-01-26 160 DIBBS
5330-01-259-0721 2008-10-281 108 DIBBS

Cross Reference | NSN 5330-01-259-0721

Part Number Cage Code Manufacturer
56A460-250 14711 RSA ENGINEERED PRODUCTS, LLC
56A460-250 60980 MEGGITT-OREGON, INC. DBA MEGGITT SILICONE PRODUCTS
752056-3 73030 HAMILTON SUNDSTRAND CORPORATION

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Technical Data | NSN 5330-01-259-0721

Characteristic Specifications
MATERIAL RUBBER SYNTHETIC AND GLASS FIBER OVERALL
CROSS-SECTIONAL SHAPE STYLE D26 OVAL
CROSS-SECTIONAL HEIGHT 0.250 INCHES NOMINAL
CENTER HOLE DIAMETER 2.500 INCHES NOMINAL
PERIPHERAL DIAMETER 3.100 INCHES NOMINAL
MANUFACTURERS CODE 73030
MFR SOURCE CONTROLLING REFERENCE 752056-3

Restrictions/Controls & Freight Information | NSN 5330-01-259-0721

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 596 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 5330-01-259-0721

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 CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each