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Technical Data Sheet
PartsTable / O-RING / 7377028
7377028 ✓ 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 CLIP,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.720 INCHES NOMINAL IN, material: STEEL, overall_height: 1.050 INCHES NOMINAL IN, stock_diameter: 0.093 INCHES NOMINAL IN, style_designator: PIN, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-580-5056, 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
7377028
NSN: 5331-00-580-5056
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
width0.720 INCHES NOMINAL IN
materialSTEEL
overall_height1.050 INCHES NOMINAL IN
stock_diameter0.093 INCHES NOMINAL IN
style_designatorPIN
casehardening_indicatorNOT CASEHARDENED
material_document_and_classificationQQ-W-428 TYPE 1 OR 2 FED SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-580-5056
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7377028 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
•
CENTER HOLE DIAMETER: 1.358 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.485 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.358 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.485 INCHES MINIMUM AND 1.523 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
MS28775-210Interchangeable
interchangeable cross-reference
interchangeable
A25141-210-479-7Interchangeable
interchangeable cross-reference
interchangeable
A5-4150Interchangeable
interchangeable cross-reference
interchangeable
42091-01-40-002PC42Interchangeable
interchangeable cross-reference
interchangeable
29513-134Interchangeable
interchangeable cross-reference
interchangeable
34702-83 V1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7377028?
7377028 is a CLIP,RETAINING.
What parts can replace 7377028?
There are 22 known substitutes for 7377028: MS28775-210, A25141-210-479-7, A5-4150 and 19 more. Substitute compatibility should be verified for your specific system.
Is 7377028 still available?
7377028 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026