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Technical Data Sheet
57296 ✓ 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 ROTOR,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, body_width: 1.600 INCHES NOMINAL IN, body_height: 2.150 INCHES NOMINAL IN, body_length: 1.600 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-126-5310, 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
57296
NSN: 5331-00-126-5310
FSC: 5331 — O-RING
CAGE: 20266 — ELKHART BRASS MANUFACTURING COMPANY, LLC DIV ELKHART BRASS MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
body_width1.600 INCHES NOMINAL IN
body_height2.150 INCHES NOMINAL IN
body_length1.600 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
nominal_thread_size0.138 INCHES SINGLE GROUP IN
center_hole_diameter2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
thread_quantity_per_inch32 SINGLE GROUP
winding_operating_current2.5 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity4 SINGLE GROUP
NSN5331-00-126-5310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57296 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
MATERIAL: RUBBER SYNTHETIC
CENTER HOLE DIAMETER: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
120771Interchangeable
interchangeable cross-reference
interchangeable
79902Interchangeable
interchangeable cross-reference
interchangeable
F162I00204Interchangeable
interchangeable cross-reference
interchangeable
57296Interchangeable
interchangeable cross-reference
interchangeable
6841974Interchangeable
interchangeable cross-reference
interchangeable
5059TInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57296?
57296 is a ROTOR,ENGINE POPPET VALVE.
What parts can replace 57296?
There are 6 known substitutes for 57296: 120771, 79902, F162I00204 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57296?
57296 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-126-5310. This indicates validated use in U.S. government and defense supply chains.
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