PSC Code 5330 covers packing and gasket materials specifically designed to create tight seals in various applications, including oil, air, liquid, gas, and chemical environments. This category includes general purpose oil grease, air seals, liquid seals, gas seals, chemical seals, oakum, and prefabricated gaskets and seals tailored for single specific uses. These materials are engineered to resist degradation caused by heat, chemicals, gases, and liquids, ensuring reliable sealing performance in demanding operational conditions. Government agencies use this PSC in contracting for maintenance, repair, and operational needs to maintain system integrity and prevent leaks in machinery, pipelines, and equipment.

This PSC excludes O-rings, bulk materials like rubber sheets, cork, asbestos, and liquid gasket compounds such as RTV or Permatex, as well as specialized RFI/EMI seals and seal retainers. It is essential for contractors and buyers to understand these boundaries to accurately classify and procure the right sealing materials under this code. Overall, PSC 5330 supports essential supply chain requirements for durable and effective packing and gasket solutions in federal projects.

Includes for PSC 5330

This PSC code covers the following products and services:

General Purpose Oil Grease, Air, Liquid, Gas, and chemical Seals; Oakum; Prefabricated Gaskets and Seals designed for a single specific application.

Excludes for PSC 5330

This PSC code does NOT cover the following:

O-Rings (FSC 5331); Bulk material items, such as; Rubber, Cork, and Asbestos Sheets and Strips (FSG 93); Liquid Gasket Materials (RTV), Permatex, etc.) (FSG 80); RFI and EMI Seals and Gaskets (FSC 5999), and all Seal Retainers.

Additional Notes for PSC 5330

Important notes and guidance for using this PSC code:

This FSC includes only seals and gaskets designed for standard use. Seals, gaskets and packing are made from materials specifically designed and constructed to resist deterioration from the action of heat, gas, chemicals, liquids, and used to fill a cavity and create a tight seal. Similar materials used to make seals, gaskets and packing are available in bulk form, refer to FSG 93, FSG 80, and FSG 83.

Typical Buyers & Agencies for PSC 5330

Typical buyers under PSC 5330 include agencies with significant maintenance, repair, and operational requirements such as the Department of Defense, Department of Energy, General Services Administration, and the U.S. Army Corps of Engineers. These agencies require reliable sealing components to support infrastructure, vehicle, and equipment maintenance programs. The PSC is also used by agencies managing pipelines, chemical processing plants, and HVAC systems where consistent seal integrity is critical for safety and operational efficiency. Contracting officers in these agencies rely on this PSC to procure standardized sealing materials that meet federal specifications and support mission readiness.

Common Contract Types for PSC 5330

Contracts under PSC 5330 often utilize firm-fixed-price, indefinite delivery indefinite quantity (IDIQ), and requirements contracts to ensure flexible supply arrangements for packing and gasket materials. Micro-purchases and simplified acquisitions are common for small-scale or urgent needs, while larger contracts may involve competitive bidding or multiple-award schedules such as GSA Schedules. These contracting methods enable agencies to maintain inventory levels, support preventive maintenance programs, and respond quickly to repair needs. The PSC facilitates streamlined procurement of sealing materials critical to sustaining operational uptime and safety compliance.

Plain-Language Breakdown for PSC 5330

Includes general purpose oil grease, air, liquid, gas, and chemical seals plus prefabricated gaskets.
Excludes O-rings, bulk rubber and asbestos sheets, liquid gasket materials, and seal retainers.
Primarily used by DoD, DOE, GSA, and engineering agencies for maintenance and repair needs.
Common contract types include firm-fixed-price, IDIQ, and GSA Schedule procurements.
Supports industries aligned with NAICS 333999, 324110, 335312, and 236220 for equipment and infrastructure maintenance.
Focuses on seals and gaskets designed to resist heat, chemicals, and other operational stresses.

Related Categories for PSC 5330

Other categories at the same level as 5330

5305 SCREWS

Screws

5306 BOLTS

Bolts

5307 STUDS

Studs

5310 NUTS AND WASHERS

Nuts and Washers

5315 NAILS, MACHINE KEYS, AND PINS

Nails, Machine Keys, and Pins

5320 RIVETS

Rivets

5325 FASTENING DEVICES

Fastening Devices

5331 O-RING

O-Ring

5335 METAL SCREENING

Metal Screening

5340 HARDWARE, COMMERCIAL

Hardware

5342 HARDWARE, WEAPON SYSTEM

Hardware, Weapon System

5345 DISKS AND STONES, ABRASIVE

Disks and Stones, Abrasive

5350 ABRASIVE MATERIALS

Abrasive Materials

5355 KNOBS AND POINTERS

Knobs and Pointers

5360 COIL, FLAT, LEAF, AND WIRE SPRINGS

Coil, Flat, Leaf, and Wire Springs

5365 BUSHINGS, RINGS, SHIMS, AND SPACERS

Bushings, Rings, Shims and Spacers

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