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52212-51 — PANEL,CONTROL,ELECTRICAL-ELECTRO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52212-51: PANEL,CONTROL,ELECTRICAL-ELECTRO.

PANEL,CONTROL,ELECTRICAL-ELECTRO. Key specifications include material: ASBESTOS AND RUBBER SYNTHETIC OVERALL, temp_rating: 900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF, outside_diameter: 3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN, cross-sectional_thickness: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-020-9742, 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
52212-51
NSN: 5330-01-020-9742
NIINs: 010209742, 015222514
FSC: 5330 — Packing and Gasket Materials
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER SYNTHETIC OVERALL
temp_rating900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF
outside_diameter3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
cross-sectional_thickness0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
material_document_and_classificationMIL-A-24058 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-01-020-9742
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52212-51 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
•
TEMP RATING: 900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-24058 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
OUTSIDE DIAMETER: 3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
•
MATERIAL: ASBESTOS AND RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-24058 MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
APERTURE DIAMETER2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
MATERIALASBESTOS AND RUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
24079N PIECE 7Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52212-51?
52212-51 is a PANEL,CONTROL,ELECTRICAL-ELECTRO.
What parts can replace 52212-51?
There is 1 known substitute for 52212-51: 24079N PIECE 7. Substitute compatibility should be verified for your specific system.
What is the NSN for 52212-51?
52212-51 is cataloged in the U.S. Government catalog under NSN 5330-01-020-9742. 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.