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A-7998 — INSULATOR,PLATE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-7998: INSULATOR,PLATE.

The INSULATOR,PLATE is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC AND COTTON OVERALL, overall_width: 0.688 INCHES NOMINAL IN, overall_height: 0.031 INCHES NOMINAL IN, overall_length: 3.750 INCHES NOMINAL IN, style_designator: FLAT, RECTANGULAR, first_hole_spacing: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-942-6880, 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
A-7998
NSN: 5340-00-942-6880
NIINs: 009426880, 010898729
FSC: 5340 — Hardware, Commercial
CAGE: 17472 — EATON AEROSPACE LLC DBA EATON INOAC DIV FUEL & MOTION CONTROL SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC AND COTTON OVERALL
overall_width0.688 INCHES NOMINAL IN
overall_height0.031 INCHES NOMINAL IN
overall_length3.750 INCHES NOMINAL IN
style_designatorFLAT, RECTANGULAR
first_hole_spacing0.188 INCHES NOMINAL IN
third_hole_spacing3.375 INCHES NOMINAL IN
first_hole_diameter0.250 INCHES NOMINAL IN
fourth_hole_spacing0.312 INCHES NOMINAL IN
second_hole_spacing0.188 INCHES NOMINAL IN
material_document_and_classificationMIL-P-15035, TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-942-6880
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-7998 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-7998?
A-7998 is a INSULATOR,PLATE.
What is the NSN for A-7998?
A-7998 is cataloged in the U.S. Government catalog under NSN 5340-00-942-6880. This indicates validated use in U.S. government and defense supply chains.
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