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66825-2 — CAP,FILLER OPENING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

66825-2: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.250 INCHES NOMINAL IN, housing_bore_diameter: 2.500 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-070-5180, 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
66825-2
NSN: 5330-00-070-5180
NIINs: 000705180, 004134320
FSC: 5330 — Packing and Gasket Materials
CAGE: 00365 — TLD ACE CORP DIV TLD ACE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.250 INCHES NOMINAL IN
housing_bore_diameter2.500 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter1.625 INCHES NOMINAL IN
NSN5330-00-070-5180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 66825-2 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
KEY FEATURES
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
HOUSING BORE DIAMETER: 2.500 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 1.625 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
HOUSING BORE DIAMETER2.500 INCHES NOMINAL IN
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER1.625 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 4
7050Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
65489-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
00044Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
6-8B104Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66825-2?
66825-2 is a CAP,FILLER OPENING.
What parts can replace 66825-2?
There are 4 known substitutes for 66825-2: 7050, 65489-2, 00044 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66825-2?
66825-2 is cataloged in the U.S. Government catalog under NSN 5330-00-070-5180. 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.