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B85027 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B85027: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, inside_angle: 45.0 DEGREES NOMINAL, inside_width: 1.312 INCHES NOMINAL IN, hole_diameter: 0.265 INCHES NOMINAL IN, inside_length: 0.312 INCHES NOMINAL IN, body_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-521-3418, 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
B85027
NSN: 5340-00-521-3418
FSC: 5340 — Hardware, Commercial
CAGE: 76760 — NEW VENTURE GEAR INC NEW PROCESS GEAR DIV (USA)
SPECIFICATIONS
materialSTEEL
inside_angle45.0 DEGREES NOMINAL
inside_width1.312 INCHES NOMINAL IN
hole_diameter0.265 INCHES NOMINAL IN
inside_length0.312 INCHES NOMINAL IN
body_thickness0.062 INCHES NOMINAL IN
flange_thickness0.062 INCHES NOMINAL IN
outside_diameter2.812 INCHES NOMINAL IN
surface_treatmentCADMIUM
bolt_circle_diameter2.375 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
NSN5340-00-521-3418
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B85027 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
•
INSIDE WIDTH: 1.312 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL B FED SPEC SINGLE TREATMENT RESPONSE
•
INSIDE LENGTH: 0.312 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.062 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 3
•
FIRST RECESS INSIDE HEIGHT: 0.250 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
INSIDE WIDTH1.312 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL B FED SPEC SINGLE TREATMENT RESPONSE
INSIDE LENGTH0.312 INCHES NOMINAL IN
FLANGE THICKNESS0.062 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY3
FIRST RECESS INSIDE HEIGHT0.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
OUTSIDE DIAMETER2.812 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 2
2176725Reference document
Same NSN cross-reference
Reference document — Secondary reference
5213418Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B85027?
B85027 is a COVER,ACCESS.
What parts can replace B85027?
There are 2 known substitutes for B85027: 2176725, 5213418. Substitute compatibility should be verified for your specific system.
What is the NSN for B85027?
B85027 is cataloged in the U.S. Government catalog under NSN 5340-00-521-3418. This indicates validated use in U.S. government and defense supply chains.
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