PartsTable
Technical Data Sheet
Download PDF

16ABC76 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16ABC76: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 6.312 INCHES NOMINAL IN, length: 6.499 INCHES NOMINAL IN, material: STEEL COMP MT1010, inside_width: 4.870 INCHES NOMINAL IN, corner_radius: 0.359 INCHES NOMINAL IN, hole_diameter: 0.406 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-618-4520, 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
16ABC76
NSN: 5340-00-618-4520
FSC: 5340 — Hardware, Commercial
CAGE: 76040 — MACK TRUCKS INC PARTS OPN (USA)
SPECIFICATIONS
width6.312 INCHES NOMINAL IN
length6.499 INCHES NOMINAL IN
materialSTEEL COMP MT1010
inside_width4.870 INCHES NOMINAL IN
corner_radius0.359 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL IN
inside_length4.375 INCHES NOMINAL IN
body_thickness0.078 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
first_recess_inside_height0.125 INCHES NOMINAL IN
NSN5340-00-618-4520
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16ABC76 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: 0.452 INCHES NOMINAL IN
•
INSIDE WIDTH: 4.870 INCHES NOMINAL IN
•
CORNER RADIUS: 0.359 INCHES NOMINAL IN
•
LENGTH: 6.499 INCHES NOMINAL IN
•
INSIDE LENGTH: 4.375 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 5.370 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN
•
FIRST RECESS INSIDE HEIGHT: 0.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 4.370 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.452 INCHES NOMINAL IN
INSIDE WIDTH4.870 INCHES NOMINAL IN
CORNER RADIUS0.359 INCHES NOMINAL IN
LENGTH6.499 INCHES NOMINAL IN
INSIDE LENGTH4.375 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH5.370 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN
FIRST RECESS INSIDE HEIGHT0.125 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH4.370 INCHES MINIMUM AND 4.380 INCHES MAXIMUM IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE
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 3
391227Reference document
Same NSN cross-reference
Reference document — Secondary reference
6184520Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
19T0405Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 16ABC76?
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 16ABC76?
16ABC76 is a COVER,ACCESS.
What parts can replace 16ABC76?
There are 3 known substitutes for 16ABC76: 391227, 6184520, 19T0405. Substitute compatibility should be verified for your specific system.
What is the NSN for 16ABC76?
16ABC76 is cataloged in the U.S. Government catalog under NSN 5340-00-618-4520. 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 — 16ABC76

✓ 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.