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169974 ✓ 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: CORK AND RUBBER SYNTHETIC OVERALL, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 2.015 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN, cross-sectional_thickness: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-187-2962, 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
169974
NSN: 5330-00-187-2962
FSC: 5330
CAGE: 27996 — HEIL ENVIRONMENTAL INDUSTRIES (USA)
SPECIFICATIONS
materialCORK AND RUBBER SYNTHETIC OVERALL
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter2.015 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
cross-sectional_thickness0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-C-6183 TY 1 CL 1 GR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-187-2962
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 169974 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
•
APERTURE DIAMETER: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-6183 TY 1 CL 1 GR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
•
OUTSIDE DIAMETER: 2.015 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: CORK AND RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-6183 TY 1 CL 1 GR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER2.015 INCHES MINIMUM AND 2.035 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIALCORK AND RUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
0904007-2Interchangeable
interchangeable cross-reference
interchangeable
103415Interchangeable
interchangeable cross-reference
interchangeable
SFP190AInterchangeable
interchangeable cross-reference
interchangeable
16B1539724Interchangeable
interchangeable cross-reference
interchangeable
1539724Interchangeable
interchangeable cross-reference
interchangeable
9724Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 169974?
169974 is a GASKET.
What parts can replace 169974?
There are 23 known substitutes for 169974: 0904007-2, 103415, SFP190A and 20 more. Substitute compatibility should be verified for your specific system.
Is 169974 still available?
169974 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026