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5040-88 — SPACER,PLATE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5040-88: SPACER,PLATE.

The SPACER,PLATE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, hole_diameter: 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, overall_width: 0.625 INCHES NOMINAL IN, overall_length: 2.875 INCHES NOMINAL IN, style_designator: NON-CIRCULAR W/SQUARE CORNERS, surface_treatment: CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-989-0802, 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
5040-88
NSN: 5330-00-989-0802
NIINs: 009890802, 012611918
FSC: 5330 — Packing and Gasket Materials
CAGE: 60285 — EATON CORPORATION DBA JACKSON PLANT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
hole_diameter0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
overall_width0.625 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
style_designatorNON-CIRCULAR W/SQUARE CORNERS
surface_treatmentCHROMATE
bolt_hole_quantity2
material_document_and_classificationQQ-A-225/6 T4 FED SPEC SINGLE MATERIAL RESPONSE
bolt_hole_centerline_to_nearest_edge_distance0.312 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-C-5541 CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
outside_edge_to_bolt_hole_center_distance_along_length0.312 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length2.250 INCHES NOMINAL IN
NSN5330-00-989-0802
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5040-88 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
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 5040-88?
5040-88 is a SPACER,PLATE.
What is the NSN for 5040-88?
5040-88 is cataloged in the U.S. Government catalog under NSN 5330-00-989-0802. 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.