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339280-2 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

339280-2: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN, length: 0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, thickness: 0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN, surface_treatment: CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-357-9963, 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
339280-2
NSN: 5340-01-357-9963
FSC: 5340 — Hardware, Commercial
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
shapeRECTANGULAR
width0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN
length0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
thickness0.090 INCHES NOMINAL0.090 INCHES NOMINAL IN
surface_treatmentCHROMATE
mounting_hole_typeCOUNTERSUNK
mounting_hole_diameter0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity1
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-357-9963
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 339280-2 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: 1
•
LENGTH: 0.800 INCHES NOMINAL0.800 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-250/11 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: RECTANGULAR
•
SURFACE TREATMENT: CHROMATE
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY1
LENGTH0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM ALL HOLES IN
SHAPERECTANGULAR
SPECIAL FEATURESMOUNTING CONFIGURATION: MTG HOLE LOCATED ON CENTERLINE 0.125 IN. FROM END; MTG HOLE IS COUNTERSUNK 100 DEGREES TO 0.232 IN. MIN,0.238 IN. MAX DIA; ITEM FURN W/SILICONE RUBBER PAD ON UNDERSURFACE,0.062 IN. THK,0.420 IN. MIN,0.480 IN. MAX LENGTH,0.280 IN. WIDE; MATERIAL SPECIFICATION INDICATED IS PREFERRED, ALTERNATE STOCK OF THE SAME ALLOY & TEMPER MAY BE USED IN
SURFACE TREATMENTCHROMATE
WIDTH0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061
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 339280-2?
339280-2 is a PLATE,MOUNTING.
What is the NSN for 339280-2?
339280-2 is cataloged in the U.S. Government catalog under NSN 5340-01-357-9963. This indicates validated use in U.S. government and defense supply chains.
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