PartsTable
Technical Data Sheet
752639-5 ✓ 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_length: 0.175 INCHES NOMINAL IN, thread_series: UNS, overall_height: 0.239 INCHES NOMINAL IN, sealing_method: PACKING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-466-2412, 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
752639-5
NSN: 5330-00-466-2412
FSC: 5330
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
thread_class2B
thread_length0.175 INCHES NOMINAL IN
thread_seriesUNS
overall_height0.239 INCHES NOMINAL IN
sealing_methodPACKING
mounting_methodTHREAD
style_designatorTHRU-HOLE
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.469 INCHES IN
base_inside_diameter0.469 INCHES NOMINAL IN
base_thread_locationINTERNAL
NSN5330-00-466-2412
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 752639-5 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
30151Interchangeable
interchangeable cross-reference
interchangeable
02017-8Interchangeable
interchangeable cross-reference
interchangeable
M5423/9-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 752639-5?
752639-5 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 752639-5?
There are 3 known substitutes for 752639-5: 30151, 02017-8, M5423/9-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 752639-5?
752639-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-466-2412. This indicates validated use in U.S. government and defense supply chains.
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