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Technical Data Sheet
PartsTable / O-RING / MIL-G-21610 TY 1
MIL-G-21610 TY 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, cross-sectional_height: 0.116 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-151-2782, 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-21610 TY 1
NSN: 5331-01-151-2782
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
cross-sectional_height0.116 INCHES NOMINAL IN
NSN5331-01-151-2782
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-G-21610 TY 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
ARP568-932MILP25732Interchangeable
interchangeable cross-reference
interchangeable
1-501-3-932Interchangeable
interchangeable cross-reference
interchangeable
AS568-932Interchangeable
interchangeable cross-reference
interchangeable
MIL-G-21610 TY1 .664ID .116WInterchangeable
interchangeable cross-reference
interchangeable
MIL-G-21610 TY 1Interchangeable
interchangeable cross-reference
interchangeable
AS568-932MIL-G-21610 TY 1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-G-21610 TY 1?
MIL-G-21610 TY 1 is a O-RING.
What parts can replace MIL-G-21610 TY 1?
There are 8 known substitutes for MIL-G-21610 TY 1: ARP568-932MILP25732, 1-501-3-932, AS568-932 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-G-21610 TY 1?
MIL-G-21610 TY 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-151-2782. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026