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5B1-04961 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5B1-04961: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include hole_diameter: 0.406 INCHES NOMINAL IN, body_thickness: 0.250 INCHES NOMINAL IN, outside_diameter: 7.620 INCHES NOMINAL IN, special_features: SIX ADDITIONAL HOLES,0.281 IN. DIA,LOCATED ON A 3.875 IN.

CIRCLE DIA IN, bolt_circle_diameter: 7.000 INCHES NOMINAL IN, securing_device_type: SPECIAL. This part is cataloged in the U.S. Government catalog under NSN 5340-01-365-3278, 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
5B1-04961
NSN: 5340-01-365-3278
FSC: 5340 — Hardware, Commercial
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
hole_diameter0.406 INCHES NOMINAL IN
body_thickness0.250 INCHES NOMINAL IN
outside_diameter7.620 INCHES NOMINAL IN
special_featuresSIX ADDITIONAL HOLES,0.281 IN. DIA,LOCATED ON A 3.875 IN. CIRCLE DIA IN
bolt_circle_diameter7.000 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
cross-sectional_shape_styleFLAT W/OPEN CENTER
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-01-365-3278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5B1-04961 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
•
BOLT CIRCLE HOLE QUANTITY: 6
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT W/OPEN CENTER
•
OUTSIDE DIAMETER: 7.620 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
BOLT CIRCLE DIAMETER: 7.000 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY6
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT W/OPEN CENTER
OUTSIDE DIAMETER7.620 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
BOLT CIRCLE DIAMETER7.000 INCHES NOMINAL IN
SPECIAL FEATURESSIX ADDITIONAL HOLES,0.281 IN. DIA,LOCATED ON A 3.875 IN. CIRCLE DIA IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
HOLE DIAMETER0.406 INCHES NOMINAL IN
BODY THICKNESS0.250 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
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FREQUENTLY ASKED QUESTIONS
What is 5B1-04961?
5B1-04961 is a COVER,ACCESS.
What is the NSN for 5B1-04961?
5B1-04961 is cataloged in the U.S. Government catalog under NSN 5340-01-365-3278. This indicates validated use in U.S. government and defense supply chains.
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