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850877 — GASKET

✓ Government record, cited
Hypertec · ORING SEAL
PRODUCT OVERVIEW

850877: GASKET.

The GASKET is a Hypertec industrial component. Key specifications include material: PAPER OVERALL, hole_diameter: 0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.562 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 0.500 INCHES NOMINAL IN, bolt_circle_diameter: 1.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-360-7650, 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
850877
NSN: 5330-00-360-7650
FSC: 5330 — Packing and Gasket Materials
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialPAPER OVERALL
hole_diameter0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.562 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter0.500 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter1.062 INCHES NOMINAL IN
fsc_application_dataGOVERNOR GASOLINE ENGINE,NONAIRCRAFT
outside_corner_radius0.250 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.530 INCHES NOMINAL IN
NSN5330-00-360-7650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 850877 MFR: Hypertec ⚠ 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
•
FSC APPLICATION DATA: GOVERNOR GASOLINE ENGINE,NONAIRCRAFT
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
SIDE RADIUS FROM GASKET CENTER: 0.530 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.500 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAGOVERNOR GASOLINE ENGINE,NONAIRCRAFT
CROSS-SECTIONAL THICKNESS0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
SIDE RADIUS FROM GASKET CENTER0.530 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.562 INCHES NOMINAL IN
APERTURE DIAMETER0.500 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER1.062 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.250 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 2
C146-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6112Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 850877?
850877 is a GASKET manufactured by Hypertec.
What parts can replace 850877?
There are 2 known substitutes for 850877: C146-9, 6112. Substitute compatibility should be verified for your specific system.
What is the NSN for 850877?
850877 is cataloged in the U.S. Government catalog under NSN 5330-00-360-7650. 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.