PartsTable
Technical Data Sheet
Download PDF

25B8641 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

25B8641: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.120 INCHES NOMINAL IN, length: 4.680 INCHES NOMINAL IN, material: PLASTIC, hole_diameter: 0.219 INCHES NOMINAL IN, features_provided: SPECIAL MARKING, securing_device_type: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-218-4628, 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
25B8641
NSN: 5340-01-218-4628
FSC: 5340 — Hardware, Commercial
CAGE: 04801 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC (USA)
SPECIFICATIONS
width1.120 INCHES NOMINAL IN
length4.680 INCHES NOMINAL IN
materialPLASTIC
hole_diameter0.219 INCHES NOMINAL IN
features_providedSPECIAL MARKING
securing_device_typeSPECIAL
hole_quantity_along_length2
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-218-4628
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25B8641 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
•
LENGTH: 4.680 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 2
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
FEATURES PROVIDED: SPECIAL MARKING
•
SECURING DEVICE TYPE: SPECIAL
•
WIDTH: 1.120 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
•
HOLE DIAMETER: 0.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH4.680 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH2
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
FEATURES PROVIDEDSPECIAL MARKING
SECURING DEVICE TYPESPECIAL
WIDTH1.120 INCHES NOMINAL IN
MATERIALPLASTIC
HOLE DIAMETER0.219 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 1
5340PL0795184Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 25B8641?
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 25B8641?
25B8641 is a COVER,ACCESS.
What parts can replace 25B8641?
There is 1 known substitute for 25B8641: 5340PL0795184. Substitute compatibility should be verified for your specific system.
What is the NSN for 25B8641?
25B8641 is cataloged in the U.S. Government catalog under NSN 5340-01-218-4628. 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 — 25B8641