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52B6181-2 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52B6181-2: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-190-2219, 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
52B6181-2
NSN: 5330-01-190-2219
FSC: 5330 — Packing and Gasket Materials
CAGE: 21439 — CURTISS-WRIGHT FLOW CONTROL SERVICE, LLC DBA ENGINEERED ARRESTING SYSTEMS - ESCO DIV CW FLOW CONTROL SVC LLC DBA (USA)
SPECIFICATIONS
Part Number52B6181-2
NSN5330-01-190-2219
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52B6181-2 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 4
303164-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C-VU614Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL0812853Reference document
Same NSN cross-reference
Reference document — Informative reference only
T711-0037-006-7500Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· 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 52B6181-2?
52B6181-2 is a PACKING,PREFORMED.
What parts can replace 52B6181-2?
There are 4 known substitutes for 52B6181-2: 303164-2, C-VU614, 5330PL0812853 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 52B6181-2?
52B6181-2 is cataloged in the U.S. Government catalog under NSN 5330-01-190-2219. 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.