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Technical Data Sheet
PartsTable / COMPONENT / 2100-158741PC21
2100-158741PC21 ✓ 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 OVERALL, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, outside_diameter: 5.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.500 INCHES NOMINAL IN, fabrication_method: SOLID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-196-6695, 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
2100-158741PC21
NSN: 5330-00-196-6695
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
outside_diameter5.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.500 INCHES NOMINAL IN
fabrication_methodSOLID
elongation_percentage160 MAXIMUM
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET-HYDRAULIC REPLACEMENT RESERVOIR TYPE FILTER ELEMENT
NSN5330-00-196-6695
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2100-158741PC21 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 OVERALL
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 5.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC OVERALL
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER5.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET-HYDRAULIC REPLACEMENT RESERVOIR TYPE FILTER ELEMENT
ELONGATION PERCENTAGE160 MAXIMUM
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
FABRICATION METHODSOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
173067Interchangeable
interchangeable cross-reference
interchangeable
K659Interchangeable
interchangeable cross-reference
interchangeable
659Interchangeable
interchangeable cross-reference
interchangeable
3010-2Interchangeable
interchangeable cross-reference
interchangeable
D305-1Interchangeable
interchangeable cross-reference
interchangeable
38-6004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2100-158741PC21?
2100-158741PC21 is a GASKET.
What parts can replace 2100-158741PC21?
There are 27 known substitutes for 2100-158741PC21: 173067, K659, 659 and 24 more. Substitute compatibility should be verified for your specific system.
Is 2100-158741PC21 still available?
2100-158741PC21 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