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Technical Data Sheet
PartsTable / O-RING / AS558-910MIL-G- 21569 CLASS 1
AS558-910MIL-G- 21569 CLASS 1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN, center_hole_diameter: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, cross-sectional_height: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-448-6753, 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
AS558-910MIL-G- 21569 CLASS 1
NSN: 5331-00-448-6753
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating275.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
center_hole_diameter0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
cross-sectional_height0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
NSN5331-00-448-6753
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS558-910MIL-G- 21569 CLASS 1 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: 0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: 275.0 FAHRENHEIT DEGF
•
OUTSIDE DIAMETER: 0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.094 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING275.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER0.934 INCHES MINIMUM AND 0.964 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.750 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
M83248/1-910Interchangeable
interchangeable cross-reference
interchangeable
137.000.825Interchangeable
interchangeable cross-reference
interchangeable
6V-4589Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS28778Interchangeable
interchangeable cross-reference
interchangeable
N94-84910Interchangeable
interchangeable cross-reference
interchangeable
0XN94-84910CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS558-910MIL-G- 21569 CLASS 1?
AS558-910MIL-G- 21569 CLASS 1 is a O-RING.
What parts can replace AS558-910MIL-G- 21569 CLASS 1?
There are 34 known substitutes for AS558-910MIL-G- 21569 CLASS 1: M83248/1-910, 137.000.825, 6V-4589 and 31 more. Substitute compatibility should be verified for your specific system.
Is AS558-910MIL-G- 21569 CLASS 1 still available?
AS558-910MIL-G- 21569 CLASS 1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026