PartsTable
Technical Data Sheet
Download PDF

753658-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

753658-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 347, body_radius: 3.140 INCHES NOMINAL IN, body_thickness: 0.065 INCHES NOMINAL IN, inside_diameter: 2.125 INCHES NOMINAL IN, flange_thickness: 0.055 INCHES NOMINAL IN, bolt_circle_diameter: 1.400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-468-1484, 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
753658-3
NSN: 5340-01-468-1484
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 347
body_radius3.140 INCHES NOMINAL IN
body_thickness0.065 INCHES NOMINAL IN
inside_diameter2.125 INCHES NOMINAL IN
flange_thickness0.055 INCHES NOMINAL IN
bolt_circle_diameter1.400 INCHES NOMINAL IN
inside_corner_radius0.145 INCHES NOMINAL IN
peripheral_shape_styleROUND, ONE EAR, ONE OR MULTI HOLES
end_item_identificationFA18E&F
bolt_circle_hole_quantity8
first_recess_inside_height1.930 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR RECESS
NSN5340-01-468-1484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 753658-3 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
•
FLANGE THICKNESS: 0.055 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 8
•
INSIDE CORNER RADIUS: 0.145 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.930 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
BODY RADIUS: 3.140 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.125 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.400 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.055 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY8
INSIDE CORNER RADIUS0.145 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.930 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
BODY RADIUS3.140 INCHES NOMINAL IN
INSIDE DIAMETER2.125 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.400 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, ONE EAR, ONE OR MULTI HOLES
END ITEM IDENTIFICATIONFA18E&F
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: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
Ready to buy 753658-3?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 753658-3?
753658-3 is a COVER,ACCESS.
What is the NSN for 753658-3?
753658-3 is cataloged in the U.S. Government catalog under NSN 5340-01-468-1484. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 753658-3

✓ 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.