PartsTable
Technical Data Sheet
25938-3 ✓ 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

WEB,STRUCTURAL COMPONENT,AIRCRAF. Key specifications include material: UNABLE TO DECODE, body_width: 2.625 INCHES NOMINAL IN, rising_pin: NOT INCLUDED, knuckle_type: FRICTION, performance_type: NOT RATED, pin_removability: NONREMOVABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-064-3662, 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
25938-3
NSN: 5340-01-064-3662
FSC: 5340
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
body_width2.625 INCHES NOMINAL IN
rising_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_quantity7
performance_typeNOT RATED
pin_removabilityNONREMOVABLE
style_designatorBUTT
material_thickness0.125 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL SURFACE
mounting_hole_diameter0.198 INCHES NOMINAL IN
NSN5340-01-064-3662
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25938-3 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
MOUNTING HOLE QUANTITY: 6
HINGE MOUNTING TYPE: FULL SURFACE
PERFORMANCE TYPE: NOT RATED
BODY WIDTH: 2.625 INCHES NOMINAL IN
KNUCKLE QUANTITY: 7
KNUCKLE TYPE: FRICTION
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE QUANTITY6
HINGE MOUNTING TYPEFULL SURFACE
PERFORMANCE TYPENOT RATED
BODY WIDTH2.625 INCHES NOMINAL IN
KNUCKLE QUANTITY7
KNUCKLE TYPEFRICTION
SPECIAL FEATURESONE LEAF EDGE CURVED TO RADIUS 5.400 IN. W/1.238 IN. W; TWO HOLES IN LARGE LEAF 0.120 IN. DIA; MTG HOLES CSK 82.0 DEG TO 0.385 IN. DIA SIX PLACES; THREE STRAIGHT SIDES BEVELED 0.125 IN. BY 0.125 IN.; SURF FINISH 63.0 MICR0INCHES BOTH SIDES IN
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIALUNABLE TO DECODE
MATERIALUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
02-121Interchangeable
interchangeable cross-reference
interchangeable
3522-076-00490Interchangeable
interchangeable cross-reference
interchangeable
LECTRA CLEAN IIInterchangeable
interchangeable cross-reference
interchangeable
47009513Interchangeable
interchangeable cross-reference
interchangeable
2-5938-3Interchangeable
interchangeable cross-reference
interchangeable
2-5938Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25938-3?
25938-3 is a WEB,STRUCTURAL COMPONENT,AIRCRAF.
What parts can replace 25938-3?
There are 6 known substitutes for 25938-3: 02-121, 3522-076-00490, LECTRA CLEAN II and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 25938-3?
25938-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-064-3662. This indicates validated use in U.S. government and defense supply chains.
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