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SM-77-3-B — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SM-77-3-B: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 90.0 DEGREES NOMINAL, material: COPPER ALLOY OVERALL, peripheral_diameter: 1.123 INCHES NOMINAL IN, center_hole_diameter: 0.627 INCHES NOMINAL IN, cross-sectional_height: 0.144 INCHES NOMINAL IN, cross-sectional_shape_style: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-043-0409, 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-77-3-B
NSN: 5330-00-043-0409
FSC: 5330 — Packing and Gasket Materials
CAGE: 60285 — EATON CORPORATION DBA JACKSON PLANT (USA)
SPECIFICATIONS
angle90.0 DEGREES NOMINAL
materialCOPPER ALLOY OVERALL
peripheral_diameter1.123 INCHES NOMINAL IN
center_hole_diameter0.627 INCHES NOMINAL IN
cross-sectional_height0.144 INCHES NOMINAL IN
cross-sectional_shape_styleANGLE
NSN5330-00-043-0409
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-77-3-B 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 HEIGHT: 0.144 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ANGLE
•
ANGLE: 90.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 1.123 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.627 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.144 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEANGLE
ANGLE90.0 DEGREES NOMINAL
PERIPHERAL DIAMETER1.123 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.627 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM-77-3-B?
SM-77-3-B is a RETAINER,PACKING.
What is the NSN for SM-77-3-B?
SM-77-3-B is cataloged in the U.S. Government catalog under NSN 5330-00-043-0409. 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.