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1988AS1203 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1988AS1203: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 2.5000 INCHES NOMINAL2.5000 INCHES NOMINAL IN, length: 18.0000 INCHES NOMINAL18.0000 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, thickness: 0.0930 INCHES NOMINAL0.0930 INCHES NOMINAL IN, mounting_hole_type: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-460-1465, 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
1988AS1203
NSN: 5340-01-460-1465
FSC: 5340 — Hardware, Commercial
CAGE: 072E5 — VERTEX MODERNIZATION AND SUSTAINMENT LLC (USA)
SPECIFICATIONS
shapeRECTANGULAR
width2.5000 INCHES NOMINAL2.5000 INCHES NOMINAL IN
length18.0000 INCHES NOMINAL18.0000 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
thickness0.0930 INCHES NOMINAL0.0930 INCHES NOMINAL IN
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.2000 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity4
material_document_and_classificationAA-Q-250/8 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-460-1465
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1988AS1203 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: 4
•
LENGTH: 18.0000 INCHES NOMINAL18.0000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AA-Q-250/8 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.2000 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: RECTANGULAR
•
WIDTH: 2.5000 INCHES NOMINAL2.5000 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 5052
•
THICKNESS: 0.0930 INCHES NOMINAL0.0930 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
LENGTH18.0000 INCHES NOMINAL18.0000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAA-Q-250/8 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.2000 INCHES MINIMUM AND 0.2050 INCHES MAXIMUM ALL HOLES IN
SHAPERECTANGULAR
WIDTH2.5000 INCHES NOMINAL2.5000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 5052
THICKNESS0.0930 INCHES NOMINAL0.0930 INCHES NOMINAL IN
MOUNTING HOLE TYPEUNTHREADED
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 1988AS1203?
1988AS1203 is a PLATE,MOUNTING.
What is the NSN for 1988AS1203?
1988AS1203 is cataloged in the U.S. Government catalog under NSN 5340-01-460-1465. 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.