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Technical Data Sheet
PartsTable / COMPONENT / NH-3030
NH-3030 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE INSULATOR, dome_height: 0.281 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.176 INCHES NOMINAL IN, thread_series: UNS, overall_height: 0.625 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 5340-00-253-7163, 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
NH-3030
NSN: 5340-00-253-7163
FSC: 5340
CAGE: 58475 — L-3 COMMUNICATIONS WESTWOOD CORPORATION DBA NMP DIVISION DIV L3 WESTWOOD CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE INSULATOR
dome_height0.281 INCHES NOMINAL IN
thread_class2A A
thread_length0.176 INCHES NOMINAL IN
thread_seriesUNS
overall_height0.625 INCHES NOMINAL IN
sealing_methodMECHANICAL
mounting_methodTHREAD
special_featuresWITH NICKEL PLATED BUSHING
style_designatorCLOSED END
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
NSN5340-00-253-7163
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NH-3030 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
•
THREAD SERIES: UNS
•
BASE THREAD LOCATION: INTERNAL
•
MATERIAL: RUBBER SILICONE BODY
•
STYLE DESIGNATOR: CLOSED END
•
OPENING INSIDE DIAMETER: 0.422 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.625 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNS
BASE THREAD LOCATIONINTERNAL
MATERIALRUBBER SILICONE BODY
STYLE DESIGNATORCLOSED END
OVERALL HEIGHT0.547 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.422 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
SPECIAL FEATURESWITH NICKEL PLATED BUSHING
THREAD LENGTH0.176 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
N2562-43548Interchangeable
interchangeable cross-reference
interchangeable
H3030Interchangeable
interchangeable cross-reference
interchangeable
1221-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NH-3030?
NH-3030 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace NH-3030?
There are 3 known substitutes for NH-3030: N2562-43548, H3030, 1221-6. Substitute compatibility should be verified for your specific system.
What is the NSN for NH-3030?
NH-3030 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-253-7163. 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