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Technical Data Sheet
PartsTable / COMPONENT / N9030-1-4
N9030-1-4 ✓ 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 BODY, thread_class: 2B, thread_series: UNEF, overall_height: 0.219 INCHES NOMINAL IN, sealing_method: PACKING, mounting_method: THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-159-5258, 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
N9030-1-4
NSN: 5340-00-159-5258
FSC: 5340
CAGE: 97539 — APM HEXSEAL CORP (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
thread_class2B
thread_seriesUNEF
overall_height0.219 INCHES NOMINAL IN
sealing_methodPACKING
mounting_methodTHREAD
style_designatorTHRU-HOLE
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
base_thread_locationINTERNAL
opening_inside_diameter0.250 INCHES NOMINAL IN
mounting_device_quantity1
NSN5340-00-159-5258
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N9030-1-4 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
•
BASE THREAD LOCATION: INTERNAL
•
STYLE DESIGNATOR: THRU-HOLE
•
MATERIAL: RUBBER SILICONE BODY
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.219 INCHES NOMINAL IN
BASE THREAD LOCATIONINTERNAL
STYLE DESIGNATORTHRU-HOLE
MATERIALRUBBER SILICONE BODY
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
MATERIALRUBBER SILICONE BODY
BASE THREAD LOCATIONINTERNAL
STYLE DESIGNATORTHRU-HOLE
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONACID RESISTANT AND WATERTIGHT-NEMA TYPE 4 AND WEATHERPROOF-NEMA TYPE 3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
N9030Interchangeable
interchangeable cross-reference
interchangeable
8438611-2Interchangeable
interchangeable cross-reference
interchangeable
287-118PT2Interchangeable
interchangeable cross-reference
interchangeable
2271495-2Interchangeable
Same NIIN cross-reference
interchangeable
1088194Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N9030-1-4?
N9030-1-4 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace N9030-1-4?
There are 5 known substitutes for N9030-1-4: N9030, 8438611-2, 287-118PT2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N9030-1-4?
N9030-1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-159-5258. 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