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MS29561-033 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS29561-033: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -55.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN, elongation_percentage: 250 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-166-5299, 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
MS29561-033
NSN: 5331-01-166-5299
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-55.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN
elongation_percentage250 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-7362 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-166-5299
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS29561-033 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: -55.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-7362 MIL SPEC SINGLE MATERIAL RESPONSE
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
CENTER HOLE DIAMETER: 1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-55.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-7362 MIL SPEC SINGLE MATERIAL RESPONSE
ELONGATION PERCENTAGE250 MAXIMUM
CENTER HOLE DIAMETER1.971 INCHES MINIMUM AND 2.007 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 2
SAE-AS29561Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-033-47-071Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS29561-033?
MS29561-033 is a O-RING.
What parts can replace MS29561-033?
There are 2 known substitutes for MS29561-033: SAE-AS29561, 2-033-47-071. Substitute compatibility should be verified for your specific system.
What is the NSN for MS29561-033?
MS29561-033 is cataloged in the U.S. Government catalog under NSN 5331-01-166-5299. This indicates validated use in U.S. government and defense supply chains.
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