PartsTable
Technical Data Sheet
398-00 ✓ 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

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: ALUMINUM OVERALL, special_features: WASHES UPTO 5"HOSE,30-60GPM,2 1/2"NST CONNECTING,OPERATING PRESSURE 40 TO 60PSI,USE WITH FIRE HUDRANT OR TRUCK PUMPER, operating_pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, media_for_which_designed: WATER SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-180-2426, 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
398-00
NSN: 5330-01-180-2426
FSC: 5330
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
special_featuresWASHES UPTO 5"HOSE,30-60GPM,2 1/2"NST CONNECTING,OPERATING PRESSURE 40 TO 60PSI,USE WITH FIRE HUDRANT OR TRUCK PUMPER
operating_pressure60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
media_for_which_designedWATER SINGLE RESPONSE
NSN5330-01-180-2426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 398-00 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
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY: 4
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
BOLT CIRCLE DIAMETER: 3.750 INCHES NOMINAL IN
APERTURE DIAMETER: 2.875 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER: 4.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY4
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
BOLT CIRCLE DIAMETER3.750 INCHES NOMINAL IN
APERTURE DIAMETER2.875 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER4.625 INCHES NOMINAL IN
HOLE DIAMETER0.562 INCHES NOMINAL SINGLE HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9075-39795Interchangeable
interchangeable cross-reference
interchangeable
39800Interchangeable
interchangeable cross-reference
interchangeable
9075-39795 ITEM 5Interchangeable
interchangeable cross-reference
interchangeable
398Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 398-00?
398-00 is a PISTON,LINEAR ACTUATING CYLINDER.
What parts can replace 398-00?
There are 4 known substitutes for 398-00: 9075-39795, 39800, 9075-39795 ITEM 5 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 398-00?
398-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-180-2426. This indicates validated use in U.S. government and defense supply chains.
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