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25003-4678 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25003-4678: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL SPRING, seal_width: 0.812 INCHES NOMINAL 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: 21.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-892-4180, 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
25003-4678
NSN: 5330-00-892-4180
FSC: 5330 — Packing and Gasket Materials
CAGE: 73680 — GARLOCK SEALING TECHNOLOGIES LLC DBA GARLOCK SEALING TECHNOLOGIES LLC (USA)
SPECIFICATIONS
materialSTEEL SPRING
seal_width0.812 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
constructionSPLIT
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
housing_bore_diameter21.625 INCHES NOMINAL IN
accommodated_shaft_diameter19.625 INCHES NOMINAL IN
cross-sectional_shape_styleSINGLE LIP
NSN5330-00-892-4180
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25003-4678 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: 0.812 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
HOUSING BORE DIAMETER: 21.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
COLOR: BLACK
•
ACCOMMODATED SHAFT DIAMETER: 19.625 INCHES NOMINAL IN
•
MATERIAL: STEEL SPRING
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
SEAL WIDTH0.812 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
HOUSING BORE DIAMETER21.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
COLORBLACK
ACCOMMODATED SHAFT DIAMETER19.625 INCHES NOMINAL IN
MATERIALSTEEL SPRING
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 25003-4678?
25003-4678 is a SEAL,PLAIN.
What is the NSN for 25003-4678?
25003-4678 is cataloged in the U.S. Government catalog under NSN 5330-00-892-4180. 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.