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404527 — O-RING

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

404527: O-RING.

The O-RING is a Legrand industrial component. Key specifications include shank_length: 1.156 INCHES NOMINAL IN, thread_length: 1.156 INCHES NOMINAL IN, overall_length: 15.875 INCHES NOMINAL IN, shank_diameter: 4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER, undercut_width: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-514-4632, 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
404527
NSN: 5331-00-514-4632
NIINs: 005144632, 012962102
FSC: 5331 — O-ring
CAGE: 09310 — SYLTONE INDUSTRIES LLC DBA GARDNER DENVER INC. DIV EMCO WHEATON (USA)
SPECIFICATIONS
shank_length1.156 INCHES NOMINAL IN
thread_length1.156 INCHES NOMINAL IN
overall_length15.875 INCHES NOMINAL IN
shank_diameter4.705 INCHES MINIMUM AND 4.716 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
undercut_width0.156 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleCHAMFERED AND COUNTERBORED
style_designatorUNDERCUT
shoulder_diameter4.999 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN
first_end_locationTHREADED END
first_hole_diameter0.344 INCHES NOMINAL IN
NSN5331-00-514-4632
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 404527 MFR: Legrand ⚠ 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
•
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 1
9035-5AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 404527?
404527 is a O-RING manufactured by Legrand.
What parts can replace 404527?
There is 1 known substitute for 404527: 9035-5A. Substitute compatibility should be verified for your specific system.
What is the NSN for 404527?
404527 is cataloged in the U.S. Government catalog under NSN 5331-00-514-4632. This indicates validated use in U.S. government and defense supply chains.
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