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5266396 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5266396: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 3.190 INCHES NOMINAL3.190 INCHES NOMINAL IN, length: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN, material: GLASS FIBER, thickness: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, thread_size: 0.375-16 UNC-2A A. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-315-7574, 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
5266396
NSN: 5340-01-315-7574
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeRECTANGULAR
width3.190 INCHES NOMINAL3.190 INCHES NOMINAL IN
length6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
materialGLASS FIBER
thickness0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
thread_size0.375-16 UNC-2A A
special_features5 INSERT,SCREW THDS INCLUDED
mounting_hole_typeTHREADED
mounting_hole_diameter0.375 INCHES NOMINAL ALL HOLES IN
mounting_hole_quantity5
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationMIL-P-18177, TY GEE MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-315-7574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5266396 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: 5
•
LENGTH: 6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-18177, TY GEE MIL SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.375 INCHES NOMINAL ALL HOLES IN
•
SHAPE: RECTANGULAR
•
THREAD SIZE: 0.375-16 UNC-2A A
•
SCREW THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY5
LENGTH6.000 INCHES NOMINAL6.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-18177, TY GEE MIL SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.375 INCHES NOMINAL ALL HOLES IN
SHAPERECTANGULAR
THREAD SIZE0.375-16 UNC-2A A
SPECIAL FEATURES5 INSERT,SCREW THDS INCLUDED
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
WIDTH3.190 INCHES NOMINAL3.190 INCHES NOMINAL IN
MATERIALGLASS FIBER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
6097341Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5266396?
5266396 is a PLATE,MOUNTING.
What parts can replace 5266396?
There is 1 known substitute for 5266396: 6097341. Substitute compatibility should be verified for your specific system.
What is the NSN for 5266396?
5266396 is cataloged in the U.S. Government catalog under NSN 5340-01-315-7574. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.