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5265442-001 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5265442-001: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 3.2000 INCHES NOMINAL IN, length: 4.0000 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, thickness: 0.1250 INCHES NOMINAL IN, features_provided: APERTURE AND CENTRALLY LOCATED RAISED SURFACE AND RAISED SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-394-5393, 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
5265442-001
NSN: 5340-01-394-5393
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeRECTANGULAR
width3.2000 INCHES NOMINAL IN
length4.0000 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
thickness0.1250 INCHES NOMINAL IN
special_featuresTHERE ARE SIX HOLES 0.166 IN. DIA. THRU 0.230 IN. DIA. X 82CSK FS; FOUR HOLES WITH DIA. 0.188 IN.; FOUR HOLES 0.112-40 UNC-2B THRU IN
features_providedAPERTURE AND CENTRALLY LOCATED RAISED SURFACE AND RAISED SURFACE
surface_treatmentCHROMATE
material_document_and_classificationQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-394-5393
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5265442-001 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: 4.0000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
•
SHAPE: RECTANGULAR
•
FEATURES PROVIDED: APERTURE AND CENTRALLY LOCATED RAISED SURFACE AND RAISED SURFACE
•
SURFACE TREATMENT: CHROMATE
•
WIDTH: 3.2000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH4.0000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
SHAPERECTANGULAR
FEATURES PROVIDEDAPERTURE AND CENTRALLY LOCATED RAISED SURFACE AND RAISED SURFACE
SPECIAL FEATURESTHERE ARE SIX HOLES 0.166 IN. DIA. THRU 0.230 IN. DIA. X 82CSK FS; FOUR HOLES WITH DIA. 0.188 IN.; FOUR HOLES 0.112-40 UNC-2B THRU IN
SURFACE TREATMENTCHROMATE
WIDTH3.2000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 5052
THICKNESS0.1250 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5265442-001?
5265442-001 is a PLATE,MOUNTING.
What is the NSN for 5265442-001?
5265442-001 is cataloged in the U.S. Government catalog under NSN 5340-01-394-5393. 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.