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MIL-G-21569CL1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MIL-G-21569CL1: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 65.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.520 INCHES NOMINAL IN, center_hole_diameter: 2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN, elongation_percentage: 250 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-058-7109, 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
MIL-G-21569CL1
NSN: 5331-01-058-7109
NIINs: 010587109, 010657429, 011139862
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating65.0 SHORE DUROMETER A NOMINAL
outside_diameter2.520 INCHES NOMINAL IN
center_hole_diameter2.082 INCHES MINIMUM AND 2.118 INCHES MAXIMUM IN
elongation_percentage250 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-058-7109
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-G-21569CL1 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.379 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
CENTER HOLE DIAMETER: 2.229 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.379 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE250 MAXIMUM
CENTER HOLE DIAMETER2.229 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 3
AS568-035Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568-035MILG21569CL1Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-035MILG21569Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 MIL-G-21569CL1?
MIL-G-21569CL1 is a O-RING.
What parts can replace MIL-G-21569CL1?
There are 3 known substitutes for MIL-G-21569CL1: AS568-035, AS568-035MILG21569CL1, 2-035MILG21569. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-G-21569CL1?
MIL-G-21569CL1 is cataloged in the U.S. Government catalog under NSN 5331-01-058-7109. This indicates validated use in U.S. government and defense supply chains.
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