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261404 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

261404: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 0.150 INCHES NOMINAL IN, length: 0.880 INCHES NOMINAL IN, material: STEEL, thickness: 0.150 INCHES NOMINAL IN, outside_diameter: 0.150 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-408-0506, 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
261404
NSN: 5340-01-408-0506
FSC: 5340 — Hardware, Commercial
CAGE: 02GJ5 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
shapeRECTANGULAR
width0.150 INCHES NOMINAL IN
length0.880 INCHES NOMINAL IN
materialSTEEL
thickness0.150 INCHES NOMINAL IN
outside_diameter0.150 INCHES NOMINAL IN
end_item_identificationW/S:AIRCRAFT, HORNET F/A-18
NSN5340-01-408-0506
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 261404 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
•
LENGTH: 0.880 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.150 INCHES NOMINAL IN
•
WIDTH: 0.150 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
THICKNESS: 0.150 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.880 INCHES NOMINAL IN
SHAPERECTANGULAR
OUTSIDE DIAMETER0.150 INCHES NOMINAL IN
WIDTH0.150 INCHES NOMINAL IN
END ITEM IDENTIFICATIONW/S:AIRCRAFT, HORNET F/A-18
MATERIALSTEEL
THICKNESS0.150 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 261404?
261404 is a PLATE,MOUNTING.
What is the NSN for 261404?
261404 is cataloged in the U.S. Government catalog under NSN 5340-01-408-0506. 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.