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AS3578-325 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS3578-325: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM, outside_diameter: 1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN, center_hole_diameter: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, material_document_and_classification: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-926-1908, 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
AS3578-325
NSN: 5331-00-926-1908
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
outside_diameter1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
center_hole_diameter1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
material_document_and_classificationAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-926-1908
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS3578-325 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
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.870 INCHES MINIMUM AND 1.920 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER1.465 INCHES MINIMUM AND 1.485 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 5
SAE-AS3578Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
N0506 2-325Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS9021-325Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-325-4024-65Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-325 N506-65Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS3578-325?
AS3578-325 is a O-RING.
What parts can replace AS3578-325?
There are 5 known substitutes for AS3578-325: SAE-AS3578, N0506 2-325, MS9021-325 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS3578-325?
AS3578-325 is cataloged in the U.S. Government catalog under NSN 5331-00-926-1908. This indicates validated use in U.S. government and defense supply chains.
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