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Technical Data Sheet
55253 ✓ Verified by PartsTable
Tactic · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

- PLA (Polylactic Acid) filament is a degradable bioplastic derived from plants.<br>- Guaranteed not to have heavy metals, phthalates or BPA.<br>- Suited for a wide range of 3D printers.<br>- All filament is delivered in a vacuum bag, with desiccant, wound onto a spool.<br>- Heated build platform not required.<br>- Made in Japan. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-133-5736, 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
55253
NSN: 5330-00-133-5736
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
housing_bore_diameter3.562 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.000 INCHES NOMINAL IN
NSN5330-00-133-5736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55253 MFR: Tactic ⚠ 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
CASE STYLE: SQUARE
ACCOMMODATED SHAFT DIAMETER: 2.000 INCHES NOMINAL IN
SEALING ELEMENT STYLE: ANGULAR
SEAL WIDTH: 0.500 INCHES NOMINAL IN
MATERIAL: STEEL CASE
HOUSING BORE DIAMETER: 3.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.000 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.500 INCHES NOMINAL IN
MATERIALSTEEL CASE
HOUSING BORE DIAMETER3.562 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
31420Interchangeable
interchangeable cross-reference
interchangeable
43504Interchangeable
interchangeable cross-reference
interchangeable
130-358AInterchangeable
interchangeable cross-reference
interchangeable
608101-2-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55253?
55253 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Tactic.
What parts can replace 55253?
There are 4 known substitutes for 55253: 31420, 43504, 130-358A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55253?
55253 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-133-5736. This indicates validated use in U.S. government and defense supply chains.
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