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Technical Data Sheet
PartsTable / COMPONENT / 4-3820
4-3820 ✓ Verified by PartsTable
Hama · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- High contact security system.<br>- Hard gold-plated.<br>- Suitable for ANL security switch, for example, Hama article number 43810. Key specifications include end_item_identification: 61154639089. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-179-2130, 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
4-3820
NSN: 5330-00-179-2130
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
end_item_identification61154639089
NSN5330-00-179-2130
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4-3820 MFR: Hama ⚠ 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
•
SEAL WIDTH: 0.562 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 4.375 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 6.256 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 6.251 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
MATERIAL: LEATHER SEALING ELEMENT
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.562 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER4.375 INCHES NOMINAL IN
OUTSIDE DIAMETER6.256 INCHES NOMINAL IN
HOUSING BORE DIAMETER6.251 INCHES NOMINAL IN
CASE STYLESQUARE
MATERIALLEATHER SEALING ELEMENT
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALSTEEL CASE
SURFACE TREATMENTPLASTIC CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
4-3820Interchangeable
interchangeable cross-reference
interchangeable
00208-0107Interchangeable
interchangeable cross-reference
interchangeable
04-SR07Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-3820?
4-3820 is a SPINDLE,WHEEL,DRIVING-NONDRIVING manufactured by Hama.
What parts can replace 4-3820?
There are 4 known substitutes for 4-3820: 4-3820, 00208-0107, 04-SR07 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-3820?
4-3820 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-179-2130. 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