PartsTable
Technical Data Sheet
Download PDF

7493901-A16 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7493901-A16: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 8.500 INCHES NOMINAL IN, length: 3.400 INCHES NOMINAL IN, material: STEEL COMP 1009, hole_diameter: 0.219 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-382-4071, 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
7493901-A16
NSN: 5340-01-382-4071
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
width8.500 INCHES NOMINAL IN
length3.400 INCHES NOMINAL IN
materialSTEEL COMP 1009
hole_diameter0.219 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width7.750 INCHES NOMINAL IN
distance_between_holes_along_length2.500 INCHES NOMINAL IN
material_document_and_classificationASTM-A366 ASSN STD SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.450 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.375 INCHES NOMINAL IN
NSN5340-01-382-4071
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7493901-A16 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.450 INCHES NOMINAL IN
•
LENGTH: 3.400 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 7.750 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A366 ASSN STD SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: SPECIAL
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.450 INCHES NOMINAL IN
LENGTH3.400 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.500 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH7.750 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A366 ASSN STD SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.375 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH8.500 INCHES NOMINAL IN
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
Ready to buy 7493901-A16?
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 7493901-A16?
7493901-A16 is a COVER,ACCESS.
What is the NSN for 7493901-A16?
7493901-A16 is cataloged in the U.S. Government catalog under NSN 5340-01-382-4071. 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 — 7493901-A16

✓ 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.