PartsTable
Technical Data Sheet
Download PDF

MS29561-429 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS29561-429: 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 MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM, peripheral_diameter: 5.525 INCHES NOMINAL IN, center_hole_diameter: 4.835 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN, elongation_percentage: 250 MAXIMUM, cross-sectional_height: 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-406-9841, 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
MS29561-429
NSN: 5331-01-406-9841
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
peripheral_diameter5.525 INCHES NOMINAL IN
center_hole_diameter4.835 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN
elongation_percentage250 MAXIMUM
cross-sectional_height0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-7362 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-01-406-9841
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS29561-429 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: 0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-7362 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
PERIPHERAL DIAMETER: 5.525 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 4.835 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.260 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-7362 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE
ELONGATION PERCENTAGE250 MAXIMUM
PERIPHERAL DIAMETER5.525 INCHES NOMINAL IN
CENTER HOLE DIAMETER4.835 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS29561Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy MS29561-429?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS29561-429?
MS29561-429 is a O-RING.
What parts can replace MS29561-429?
There is 1 known substitute for MS29561-429: SAE-AS29561. Substitute compatibility should be verified for your specific system.
What is the NSN for MS29561-429?
MS29561-429 is cataloged in the U.S. Government catalog under NSN 5331-01-406-9841. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS29561-429