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Technical Data Sheet
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52966 — 52966

✓ Government record, cited
Clementoni · ORING SEAL
PRODUCT OVERVIEW

52966: 52966.

The 52966 is a Clementoni industrial component. Key specifications include end_item_identification: REGULATOR PRESS LD ACCUMULATOR. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-198-6198, 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
52966
NSN: 5331-00-198-6198
NIINs: 001986198, 003351776, 004484465, 010337460, 011723781, 013777325
FSC: 5331 — O-ring
CAGE: 13983 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
end_item_identificationREGULATOR PRESS LD ACCUMULATOR
NSN5331-00-198-6198
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52966 MFR: Clementoni ⚠ 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: 0.210 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.475 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.210 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.475 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 10
426-6709-1439297ALTDPC29Reference document
Same NSN cross-reference
Reference document — Secondary reference
317-6709-805963REVAPCQ4Reference document
Same NSN cross-reference
Reference document — Secondary reference
4900-1438977ALTAPC7Reference document
Same NSN cross-reference
Reference document — Secondary reference
87-5388P1Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN6227B-44Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN-6227-44Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52966?
52966 is a 52966 manufactured by Clementoni.
What parts can replace 52966?
There are 10 known substitutes for 52966: 426-6709-1439297ALTDPC29, 317-6709-805963REVAPCQ4, 4900-1438977ALTAPC7 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52966?
52966 is cataloged in the U.S. Government catalog under NSN 5331-00-198-6198. 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.