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Technical Data Sheet

M25988/1-011 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M25988/1-011: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.301 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: AZ/EL GYMBAL ASSEMBLY,P/N 3402060, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-498-5733, 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
M25988/1-011
NSN: 5331-00-498-5733
NIINs: 004985733, 014387351
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
hardness_rating70.0 SHORE DUROMETER A NOMINAL
special_featuresEACH O-RING REQUIRES VISUAL INSPECTION FOR SURFACE DEFECTS;TEAR STRENGTH SHALL MEET 110 POUNDS PER INCH MINIMUM;INTENDED FOR CRITICAL HYDRAULIC SYSTEMS LBS
center_hole_diameter0.301 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationAZ/EL GYMBAL ASSEMBLY,P/N 3402060
criticality_code_justificationFEAT
material_document_and_classificationMIL-R-25988/1 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-498-5733
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988/1-011 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.294 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 9
F952-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-011L1120-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
99-4928-011Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-011 L449-65Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
2-011 L449-70Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
AA-11TH1047Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M25988/1-011?
M25988/1-011 is a O-RING.
What parts can replace M25988/1-011?
There are 9 known substitutes for M25988/1-011: F952-6, 2-011L1120-70, 99-4928-011 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988/1-011?
M25988/1-011 is cataloged in the U.S. Government catalog under NSN 5331-00-498-5733. This indicates validated use in U.S. government and defense supply chains.
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