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SM-B-502880 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SM-B-502880: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE NITRILE PACKING, construction: TWO-PIECE, outside_diameter: 0.7500 INCHES NOMINAL IN, surface_treatment: ZINC AND PHOSPHATE RETAINER, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-360-7898, 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
SM-B-502880
NSN: 5330-01-360-7898
FSC: 5330 — Packing and Gasket Materials
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE NITRILE PACKING
constructionTWO-PIECE
outside_diameter0.7500 INCHES NOMINAL IN
surface_treatmentZINC AND PHOSPHATE RETAINER
cross-sectional_shape_styleSPECIAL
NSN5330-01-360-7898
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-502880 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
•
OUTSIDE DIAMETER: 0.7500 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
SURFACE TREATMENT: ZINC AND PHOSPHATE RETAINER
•
MATERIAL: STEEL RETAINER
•
CONSTRUCTION: TWO-PIECE
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.7500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
SURFACE TREATMENTZINC AND PHOSPHATE RETAINER
MATERIALSTEEL RETAINER
MATERIALRUBBER BUTADIENE NITRILE PACKING
CONSTRUCTIONTWO-PIECE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-B-502880?
SM-B-502880 is a PACKING WITH RETAINER.
What is the NSN for SM-B-502880?
SM-B-502880 is cataloged in the U.S. Government catalog under NSN 5330-01-360-7898. 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.