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Technical Data Sheet
PartsTable / COMPONENT / 245421
245421 ✓ 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 SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: NOT IDENTICAL, overall_length: 5.720 INCHES NOMINAL IN, first_end_style: INTERNAL THREADED, second_end_style: EXTERNAL THREADED, first_end_diameter: 0.2500 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-353-2771, 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
245421
NSN: 5330-00-353-2771
FSC: 5330
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
step_quantity5
end_similarityNOT IDENTICAL
overall_length5.720 INCHES NOMINAL IN
first_end_styleINTERNAL THREADED
second_end_styleEXTERNAL THREADED
first_end_diameter0.2500 INCHES NOMINAL IN
second_end_diameter0.1120 INCHES NOMINAL IN
fsc_application_dataDETECTING-RANGING SET AN/AAS-38
largest_step_diameter0.250 INCHES NOMINAL IN
first_end_internal_thread_length0.350 INCHES NOMINAL IN
second_end_external_thread_length0.325 INCHES NOMINAL IN
NSN5330-00-353-2771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 245421 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: WOOL COMP 16R2 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: C-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE DIAMETER: 8.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALWOOL COMP 16R2 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONC-F-206 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
APERTURE DIAMETER8.125 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
OUTSIDE DIAMETER9.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
2116422Interchangeable
interchangeable cross-reference
interchangeable
1025185Interchangeable
interchangeable cross-reference
interchangeable
17545Interchangeable
interchangeable cross-reference
interchangeable
R15366Interchangeable
interchangeable cross-reference
interchangeable
109351Interchangeable
interchangeable cross-reference
interchangeable
245421Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 245421?
245421 is a SHAFT,SHOULDERED.
What parts can replace 245421?
There are 9 known substitutes for 245421: 2116422, 1025185, 17545 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 245421?
245421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-353-2771. 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