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Technical Data Sheet
PartsTable / COMPONENT / 1877-2184
1877-2184 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND ASBESTOS OVERALL, hole_diameter: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.875 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL IN, bolt_circle_diameter: 2.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-254-5647, 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
1877-2184
NSN: 5330-00-254-5647
FSC: 5330
CAGE: 93568 — HARSCO CORP BMY-COMBAT SYSTEMS DIV (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND ASBESTOS OVERALL
hole_diameter0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.875 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.875 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.000 INCHES NOMINAL IN
material_document_and_classificationAMS 3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-254-5647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1877-2184 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
•
HOLE DIAMETER: 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER SYNTHETIC AND ASBESTOS OVERALL
•
SIDE RADIUS FROM GASKET CENTER: 1.000 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3232 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SYNTHETIC AND ASBESTOS OVERALL
SIDE RADIUS FROM GASKET CENTER1.000 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.875 INCHES NOMINAL IN
OVERALL WIDTH3.875 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
17855Interchangeable
interchangeable cross-reference
interchangeable
712010-187Interchangeable
interchangeable cross-reference
interchangeable
905591-1Interchangeable
interchangeable cross-reference
interchangeable
40608Interchangeable
interchangeable cross-reference
interchangeable
7045NCM050041Interchangeable
interchangeable cross-reference
interchangeable
00035286178556Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1877-2184?
1877-2184 is a GASKET.
What parts can replace 1877-2184?
There are 13 known substitutes for 1877-2184: 17855, 712010-187, 905591-1 and 10 more. Substitute compatibility should be verified for your specific system.
Is 1877-2184 still available?
1877-2184 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026