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6556076 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6556076: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include peripheral_diameter: 1.285 INCHES NOMINAL IN, center_hole_diameter: 1.125 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN, cross-sectional_thickness: 0.0209 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-163-2000, 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
6556076
NSN: 5330-01-163-2000
FSC: 5330 — Packing and Gasket Materials
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
peripheral_diameter1.285 INCHES NOMINAL IN
center_hole_diameter1.125 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
cross-sectional_thickness0.0209 INCHES NOMINAL IN
NSN5330-01-163-2000
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6556076 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: 0.0209 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 1.285 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0209 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
PERIPHERAL DIAMETER1.285 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.125 INCHES NOMINAL 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6556076?
6556076 is a RETAINER,PACKING.
What is the NSN for 6556076?
6556076 is cataloged in the U.S. Government catalog under NSN 5330-01-163-2000. 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.