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5186937 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5186937: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include peripheral_diameter: 1.870 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, center_hole_diameter: 1.650 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN, cross-sectional_height: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, cross-sectional_thickness: 0.061 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-160-2121, 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
5186937
NSN: 5330-01-160-2121
FSC: 5330 — Packing and Gasket Materials
CAGE: 15090 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
peripheral_diameter1.870 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
center_hole_diameter1.650 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN
cross-sectional_height0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
cross-sectional_thickness0.061 INCHES NOMINAL IN
NSN5330-01-160-2121
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5186937 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: 0.061 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 1.870 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.650 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.061 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
PERIPHERAL DIAMETER1.870 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.650 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5186937?
5186937 is a RETAINER,PACKING.
What is the NSN for 5186937?
5186937 is cataloged in the U.S. Government catalog under NSN 5330-01-160-2121. 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.