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Technical Data Sheet
PartsTable / COMPONENT / MIL-T-31000
MIL-T-31000 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include construction: SOLID, overall_length: 106.000 INCHES NOMINAL IN, attachment_method: CEMENTED, fabrication_method: SOLID, cross-sectional_width: 0.656 INCHES NOMINAL IN, cross-sectional_height: 0.812 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 5330-00-919-7264, 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-T-31000
NSN: 5330-00-919-7264
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
constructionSOLID
overall_length106.000 INCHES NOMINAL IN
attachment_methodCEMENTED
fabrication_methodSOLID
cross-sectional_width0.656 INCHES NOMINAL IN
cross-sectional_height0.812 INCHES NOMINAL IN
cross_section_inside_diameter0.187 INCHES NOMINAL IN
NSN5330-00-919-7264
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MIL-T-31000 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: 0.812 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 0.187 INCHES NOMINAL IN
•
CONSTRUCTION: SOLID
•
ATTACHMENT METHOD: CEMENTED
•
CROSS-SECTIONAL WIDTH: 0.656 INCHES NOMINAL IN
•
FABRICATION METHOD: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.812 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER0.187 INCHES NOMINAL IN
CONSTRUCTIONSOLID
OVERALL LENGTH106.000 INCHES NOMINAL IN
ATTACHMENT METHODCEMENTED
CROSS-SECTIONAL WIDTH0.656 INCHES NOMINAL IN
FABRICATION METHODSOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MIL-STD-417AGR SC512ABFInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-3065EInterchangeable
interchangeable cross-reference
interchangeable
00737SH 25 ST 164Interchangeable
interchangeable cross-reference
interchangeable
367486PC5Interchangeable
interchangeable cross-reference
interchangeable
734913PC27Interchangeable
interchangeable cross-reference
interchangeable
734913-27Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-T-31000?
MIL-T-31000 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace MIL-T-31000?
There are 14 known substitutes for MIL-T-31000: MIL-STD-417AGR SC512ABF, MIL-R-3065E, 00737SH 25 ST 164 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-T-31000?
MIL-T-31000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-919-7264. 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