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Technical Data Sheet
PartsTable / O-RING / MS25988/1-013
MS25988/1-013 ✓ 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 MS25988/1-013 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-759-2022, 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
MS25988/1-013
NSN: 5331-00-759-2022
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberMS25988/1-013
NSN5331-00-759-2022
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS25988/1-013 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
•
CENTER HOLE DIAMETER: 0.419 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
CENTER HOLE DIAMETER0.419 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
ELONGATION PERCENTAGE125 MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
945012Interchangeable
interchangeable cross-reference
interchangeable
ASTM D 3953-97Interchangeable
interchangeable cross-reference
interchangeable
ASTM D 3953-97 TY1GR2FNBInterchangeable
interchangeable cross-reference
interchangeable
ASTM-D3953Interchangeable
interchangeable cross-reference
interchangeable
M25988-1-013Interchangeable
interchangeable cross-reference
interchangeable
10163324Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25988/1-013?
MS25988/1-013 is a MS25988/1-013.
What parts can replace MS25988/1-013?
There are 13 known substitutes for MS25988/1-013: 945012, ASTM D 3953-97, ASTM D 3953-97 TY1GR2FNB and 10 more. Substitute compatibility should be verified for your specific system.
Is MS25988/1-013 still available?
MS25988/1-013 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026