PartsTable
Technical Data Sheet
Download PDF

B860-335 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B860-335: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 6.000 INCHES NOMINAL IN, length: 58.250 INCHES NOMINAL IN, material: STEEL, body_thickness: 0.188 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER, peripheral_shape_style: RECTANGLE, MULTI HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-138-2155, 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
B860-335
NSN: 5340-00-138-2155
FSC: 5340 — Hardware, Commercial
CAGE: 61790 — ASTEC INDUSTRIES INC DIV ASTEC IND. (USA)
SPECIFICATIONS
width6.000 INCHES NOMINAL IN
length58.250 INCHES NOMINAL IN
materialSTEEL
body_thickness0.188 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_length4
cross-sectional_shape_styleFLAT
distance_between_holes_along_length18.000 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_width4.500 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length2.125 INCHES NOMINAL IN
NSN5340-00-138-2155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B860-335 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: 4.500 INCHES NOMINAL IN
•
LENGTH: 58.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 18.000 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 2.125 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH4.500 INCHES NOMINAL IN
LENGTH58.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH18.000 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH2.125 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH6.000 INCHES NOMINAL IN
MATERIALSTEEL
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
No demilitarization required
Ready to buy B860-335?
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 B860-335?
B860-335 is a COVER,ACCESS.
What is the NSN for B860-335?
B860-335 is cataloged in the U.S. Government catalog under NSN 5340-00-138-2155. 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 — B860-335

✓ 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.