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20WR16 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20WR16: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, peripheral_diameter: 3.250 INCHES NOMINAL IN, center_hole_diameter: 1.875 INCHES NOMINAL IN, cross-sectional_height: 0.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.188 INCHES NOMINAL IN, cross-sectional_shape_style: CUP. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-536-2702, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
20WR16
NSN: 5330-00-536-2702
FSC: 5330 — Packing and Gasket Materials
CAGE: 77653 — ROSS VALVE MANUFACTURING COMPANY, INC. DIV ROSS VALVE MFG CO. (USA)
SPECIFICATIONS
materialLEATHER OVERALL
peripheral_diameter3.250 INCHES NOMINAL IN
center_hole_diameter1.875 INCHES NOMINAL IN
cross-sectional_height0.562 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL IN
cross-sectional_shape_styleCUP
NSN5330-00-536-2702
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20WR16 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.562 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CUP
•
PERIPHERAL DIAMETER: 3.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.875 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECUP
PERIPHERAL DIAMETER3.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.875 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20WR16?
20WR16 is a RETAINER,PACKING.
What is the NSN for 20WR16?
20WR16 is cataloged in the U.S. Government catalog under NSN 5330-00-536-2702. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.