Product Details | PREFORMED PACKING BACK-UP RING

5330-01-501-1385 A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a PACKING, PREFORMED or O-RING.

Part Alternates: H6437002157, H643-7002-157, H6437002A157, H643-7002A-157 , 342-7067321-157, 5330-01-501-1385, 01-501-1385, 3427067321157, 5330015011385, 015011385

Hardware and Abrasives | Packing and Gasket Materials

Supply Group (FSG) NSN Assign. NIIN
53 25 SEP 2002 01-501-1385

Drawings & Photos | NSN 5330-01-501-1385


Demand History | NSN 5330-01-501-1385

Part Number Request Date QTY Origin
H6437002A-157 2025-04-118 29 DIBBS
H6437002A-157 2025-03-76 20 DIBBS
H6437002A-157 2025-03-72 63 DIBBS
H6437002A-157 2025-02-58 20 DIBBS
H6437002A-157 2024-08-242 29 DIBBS
H6437002A-157 2024-03-88 18 DIBBS
H6437002A-157 2024-01-04 25 DIBBS
H6437002A-157 2023-11-316 25 DIBBS
H6437002A-157 2023-07-201 11 DIBBS
H6437002A-157 2023-05-138 6 DIBBS
H643-7002A-157 2022-06-167 17 DIBBS
H643-7002A-157 2022-06-153 22 DIBBS
H643-7002A-157 2021-05-126 30 DIBBS
5330-01-501-1385 2011-09-262 100 DIBBS
5330-01-501-1385 2010-07-190 109 DIBBS
5330-01-501-1385 2009-03-86 109 DIBBS

Cross Reference | NSN 5330-01-501-1385

Part Number Cage Code Manufacturer
342-7067321-157 53711 NAVAL SEA SYSTEMS COMMAND
H643-7002A-157 96169 ELECTRIC BOAT CORPORATION

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Technical Data | NSN 5330-01-501-1385

Characteristic Specifications
MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE
MATERIAL DOCUMENT AND CLASSIFICATION 81364/ASTM-D3293 TY II S/S BY ASTM-D3294 TY II ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE 1 SOLID
SPECIAL FEATURES BACK-UP RING FOR O-RING 20.955 IN X 0.275 CROSS SECTION
III END ITEM IDENTIFICATION NSSN CLASS SUBMARINE COMBINED INDUCTION/EXHAUST VALVE ASSY
CROSS-SECTIONAL HEIGHT 0.250 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 5330-01-501-1385

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.
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 194050 GASKETS/RINGS PLUMBING FIXTURES
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 596 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

Management | NSN 5330-01-501-1385

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 CodesZINSURANCE/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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each