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481601 — TRANSFORMER,CURRENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

481601: TRANSFORMER,CURRENT.

The TRANSFORMER,CURRENT is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, inclosure_type: FULLY INCLOSED, overall_length: 0.400 INCHES NOMINAL IN, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM, mounting_method: UNTHREADED HOLE(S) SINGLE GROUP. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-225-6616, 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
481601
NSN: 5331-00-225-6616
NIINs: 002256616, 011944263
FSC: 5331 — O-ring
CAGE: 00155 — MICRON MACHINE CORP (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
inclosure_typeFULLY INCLOSED
overall_length0.400 INCHES NOMINAL IN
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
outside_diameter2.756 INCHES NOMINAL IN
overall_diameter0.760 INCHES NOMINAL IN
center_hole_diameter2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
elongation_percentage100 MAXIMUM
reliability_indicatorNOT ESTABLISHED
NSN5331-00-225-6616
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 481601 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.756 INCHES NOMINAL IN
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
•
ELONGATION PERCENTAGE: 100 MAXIMUM
•
CENTER HOLE DIAMETER: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.756 INCHES NOMINAL IN
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM
ELONGATION PERCENTAGE100 MAXIMUM
CENTER HOLE DIAMETER2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 2
AS3581-145Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS3581Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 481601?
481601 is a TRANSFORMER,CURRENT.
What parts can replace 481601?
There are 2 known substitutes for 481601: AS3581-145, SAE-AS3581. Substitute compatibility should be verified for your specific system.
What is the NSN for 481601?
481601 is cataloged in the U.S. Government catalog under NSN 5331-00-225-6616. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.