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PartsTable / COMPONENT / 28030 PN 28S-FS2-SC-.75IN IT4-55
28030 PN 28S-FS2-SC-.75IN IT4-55 ✓ 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 28030 PN 28S-FS2-SC-.75IN IT4-55 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-572-4940, 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
28030 PN 28S-FS2-SC-.75IN IT4-55
NSN: 5330-01-572-4940
FSC: 5330
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
Part Number28030 PN 28S-FS2-SC-.75IN IT4-55
NSN5330-01-572-4940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 28030 PN 28S-FS2-SC-.75IN IT4-55 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: STEEL COMP 304 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 304 OVERALL
SPECIAL FEATURESEND ITEM:GLOBE VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1FX49Interchangeable
interchangeable cross-reference
interchangeable
F37030-238Interchangeable
interchangeable cross-reference
interchangeable
28212PC15Interchangeable
interchangeable cross-reference
interchangeable
1230Interchangeable
interchangeable cross-reference
interchangeable
1430Interchangeable
interchangeable cross-reference
interchangeable
A-A-1353Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28030 PN 28S-FS2-SC-.75IN IT4-55?
28030 PN 28S-FS2-SC-.75IN IT4-55 is a 28030 PN 28S-FS2-SC-.75IN IT4-55.
What parts can replace 28030 PN 28S-FS2-SC-.75IN IT4-55?
There are 15 known substitutes for 28030 PN 28S-FS2-SC-.75IN IT4-55: 1FX49, F37030-238, 28212PC15 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28030 PN 28S-FS2-SC-.75IN IT4-55?
28030 PN 28S-FS2-SC-.75IN IT4-55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-572-4940. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026