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25003-5525 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25003-5525: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, seal_width: 0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, construction: SPLIT, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, housing_bore_diameter: 10.776 INCHES MINIMUM AND 10.782 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-055-2425, 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
25003-5525
NSN: 5330-00-055-2425
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
seal_width0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
constructionSPLIT
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
housing_bore_diameter10.776 INCHES MINIMUM AND 10.782 INCHES MAXIMUM IN
accommodated_shaft_diameter8.775 INCHES MINIMUM AND 8.785 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-055-2425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25003-5525 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: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
HOUSING BORE DIAMETER: 10.776 INCHES MINIMUM AND 10.782 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
COLOR: BLACK
•
ACCOMMODATED SHAFT DIAMETER: 8.775 INCHES MINIMUM AND 8.785 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
SEAL WIDTH0.760 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
HOUSING BORE DIAMETER10.776 INCHES MINIMUM AND 10.782 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
COLORBLACK
ACCOMMODATED SHAFT DIAMETER8.775 INCHES MINIMUM AND 8.785 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MATERIALSTEEL COMP 301 SPRING
CONSTRUCTIONSPLIT
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 3
E080SA42026PC61Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21X3951Reference document
Same NSN cross-reference
Reference document — Secondary reference
23X5525Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 25003-5525?
25003-5525 is a SEAL,PLAIN.
What parts can replace 25003-5525?
There are 3 known substitutes for 25003-5525: E080SA42026PC61, 21X3951, 23X5525. Substitute compatibility should be verified for your specific system.
What is the NSN for 25003-5525?
25003-5525 is cataloged in the U.S. Government catalog under NSN 5330-00-055-2425. 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.