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AMS-C-6183 TY 2, CL 1, GR C — Technical Data Sheet

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— · 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 CORK OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 4.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5330-00-401-4991, 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
AMS-C-6183 TY 2, CL 1, GR C
NSN: 5330-00-401-4991
FSC: 5330
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND CORK OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter4.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.750 INCHES NOMINAL IN
bolt_hole_quantity8
bolt_circle_diameter3.500 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-C-6183,TY 2,CL 1,GR C MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-401-4991
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS-C-6183 TY 2, CL 1, GR C 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
•
MATERIAL: RUBBER SYNTHETIC AND CORK OVERALL
•
BOLT HOLE QUANTITY: 8
•
OUTSIDE DIAMETER: 4.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-6183,TY 2,CL 1,GR C MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
•
BOLT CIRCLE DIAMETER: 3.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS
MATERIALRUBBER SYNTHETIC AND CORK OVERALL
BOLT HOLE QUANTITY8
OUTSIDE DIAMETER4.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-6183,TY 2,CL 1,GR C MIL SPEC ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL IN
APERTURE DIAMETER2.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
181880PC4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
00737 SH 47 ST 164InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
22890-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
81125S41-38853ALT1PC14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
HH-P-96GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
274372PC6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMS-C-6183 TY 2, CL 1, GR C?
AMS-C-6183 TY 2, CL 1, GR C is a GASKET.
What parts can replace AMS-C-6183 TY 2, CL 1, GR C?
There are 15 known substitutes for AMS-C-6183 TY 2, CL 1, GR C: 181880PC4, 00737 SH 47 ST 164, 22890-8 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS-C-6183 TY 2, CL 1, GR C?
AMS-C-6183 TY 2, CL 1, GR C is cataloged in the Federal Logistics Information System under NSN 5330-00-401-4991. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026