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Technical Data Sheet
PartsTable / COMPONENT / SD3072 3/4IN IT
SD3072 3/4IN IT ✓ 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 SD3072 3/4IN IT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-574-0982, 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
SD3072 3/4IN IT
NSN: 5330-00-574-0982
FSC: 5330
CAGE: 98991 — WORCESTER CONTROLS CORP P O BOX 2609 COOKEVILLE TN 385022609 (USA)
SPECIFICATIONS
Part NumberSD3072 3/4IN IT
NSN5330-00-574-0982
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SD3072 3/4IN IT 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: 0.390 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYPROPYLENE OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER0.390 INCHES MINIMUM AND 0.412 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.056 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MATERIALPLASTIC POLYPROPYLENE OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
20994LHInterchangeable
interchangeable cross-reference
interchangeable
SWT1P1T3AInterchangeable
interchangeable cross-reference
interchangeable
8519166Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-14651Interchangeable
interchangeable cross-reference
interchangeable
B-11-4Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14651Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SD3072 3/4IN IT?
SD3072 3/4IN IT is a SD3072 3/4IN IT.
What parts can replace SD3072 3/4IN IT?
There are 12 known substitutes for SD3072 3/4IN IT: 20994LH, SWT1P1T3A, 8519166 and 9 more. Substitute compatibility should be verified for your specific system.
Is SD3072 3/4IN IT still available?
SD3072 3/4IN IT 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