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41-1632 — PLUG,EXPANSION

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

41-1632: PLUG,EXPANSION.

The PLUG,EXPANSION is a Legrand industrial component. Key specifications include height: 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING, outside_diameter: 2.011 INCHES MINIMUM AND 2.019 INCHES MAXIMUM IN, style_designator: CUP, surface_treatment: ZINC, material_thickness: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-399-1077, 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
41-1632
NSN: 5331-00-399-1077
NIINs: 003991077, 010889092
FSC: 5331 — O-ring
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
height0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING
outside_diameter2.011 INCHES MINIMUM AND 2.019 INCHES MAXIMUM IN
style_designatorCUP
surface_treatmentZINC
material_thickness0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
NSN5331-00-399-1077
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 41-1632 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.728 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.728 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41-1632?
41-1632 is a PLUG,EXPANSION manufactured by Legrand.
What is the NSN for 41-1632?
41-1632 is cataloged in the U.S. Government catalog under NSN 5331-00-399-1077. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.