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45-11M — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

45-11M: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 0.994 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN, center_hole_diameter: 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-250-0221, 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
45-11M
NSN: 5331-00-250-0221
FSC: 5331 — O-ring
CAGE: 06909 — SEAMAN-PARSONS CORP (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter0.994 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
center_hole_diameter0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-250-0221
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 45-11M 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.994 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.994 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.728 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
10418667Reference document
Same NSN cross-reference
Reference document — Informative reference only
8A9027Reference document
Same NSN cross-reference
Reference document — Secondary reference
725-70-210Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-210-457-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS29513-210Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
18,64X3,53SR822A60Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 45-11M?
45-11M is a O-RING.
What parts can replace 45-11M?
There are 9 known substitutes for 45-11M: 10418667, 8A9027, 725-70-210 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45-11M?
45-11M is cataloged in the U.S. Government catalog under NSN 5331-00-250-0221. This indicates validated use in U.S. government and defense supply chains.
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