PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PRP568-338-975-75O-Ring

Parco, Llc · NSN 5331-00-138-9985 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-138-9985 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-138-9985. Primary manufacturer part number: PRP568-338-975-75.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.076 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 3 verified cross-references
  • Primary manufacturer: Parco, Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-138-9985, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parco, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-138-9985
Primary Part NumberPRP568-338-975-75
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParco, Llc
StatusACTIVE
Cross-Sectional Height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
Center Hole Diameter3.076 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5962-01-223-750541584 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5120-01-406-7726 INTERCHANGEABLE
Screwdriver,flat Tip
5330-01-408-8551 INTERCHANGEABLE
Seal,plain Encased
3040-01-436-925041584 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Kongsberg Maritime Sweden Ab
5999-01-494-430341584 INTERCHANGEABLE
Shielding Gasket,electronic
Glitsch Special Products Inc
Cross-Reference Index
Part NumberManufacturer
PRP568-338-975-75 PRIMARY Parco, Llc (USA)
41584 Davey Compressor Co Div of Keco Industries Inc (USA)
568-338 Buckeye Rubber & Packing Co (USA)
Related Parts
5962-01-223-7505INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41584
5120-01-406-7726INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5330-01-408-8551INTERCHANGEABLE
SEAL,PLAIN ENCASED
3040-01-436-9250INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
41584
5999-01-494-4303INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
41584

Frequently Asked Questions

What is NSN 5331-00-138-9985?

NSN 5331-00-138-9985 is a O-Ring, manufactured by Parco, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-138-9985?

NSN 5331-00-138-9985 has 3 cross-referenced part numbers: PRP568-338-975-75 (Parco, Llc), 41584 (Davey Compressor Co Div of Keco Industries Inc), 568-338 (Buckeye Rubber & Packing Co).

What NSN replaces 5331-00-138-9985?

There are 5 known substitutes for 5331-00-138-9985: 5962-01-223-7505, 5120-01-406-7726, 5330-01-408-8551 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PRP568-338-975-75?

Key specifications for PRP568-338-975-75: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 3.076 INCHES MINIMUM AND 3.124 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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