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642AS1556-1 — PLATE,MENDING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

642AS1556-1: PLATE,MENDING.

The PLATE,MENDING is a the manufacturer industrial component. Key specifications include overall_width: 0.970 INCHES NOMINAL IN, overall_length: 5.500 INCHES NOMINAL IN, special_features: TWO HOLES, style_designator: RECTANGULAR, material_thickness: 0.490 INCHES NOMINAL IN, mounting_hole_type: COUNTERBORED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-210-3106, 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
642AS1556-1
NSN: 5340-01-210-3106
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
overall_width0.970 INCHES NOMINAL IN
overall_length5.500 INCHES NOMINAL IN
special_featuresTWO HOLES
style_designatorRECTANGULAR
material_thickness0.490 INCHES NOMINAL IN
mounting_hole_typeCOUNTERBORED
mounting_hole_diameter0.358 INCHES MINIMUM AND 0.366 INCHES MAXIMUM IN
NSN5340-01-210-3106
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 642AS1556-1 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
•
STYLE DESIGNATOR: RECTANGULAR
•
MOUNTING HOLE DIAMETER: 0.358 INCHES MINIMUM AND 0.366 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.490 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: COUNTERBORED
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGULAR
MOUNTING HOLE DIAMETER0.358 INCHES MINIMUM AND 0.366 INCHES MAXIMUM IN
OVERALL LENGTH5.500 INCHES NOMINAL IN
OVERALL WIDTH0.970 INCHES NOMINAL IN
MATERIAL THICKNESS0.490 INCHES NOMINAL IN
SPECIAL FEATURESTWO HOLES
MOUNTING HOLE TYPECOUNTERBORED
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 642AS1556-1?
642AS1556-1 is a PLATE,MENDING.
What is the NSN for 642AS1556-1?
642AS1556-1 is cataloged in the U.S. Government catalog under NSN 5340-01-210-3106. This indicates validated use in U.S. government and defense supply chains.
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