4HB861 — COVER,ACCESS

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

4HB861: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include outside_diameter: 4.000 INCHES NOMINAL IN, inside_corner_radius: 24.187 INCHES NOMINAL IN, peripheral_shape_style: ROUND, ONE HOLE, end_item_identification: END ITEM NSN: 3990-01-444-6174; PALLETIZED LOADING SYSTEM (PLS) M1074, M1075, M1076, M1077, cross-sectional_shape_style: ARCHED, part_name_assigned_by_controlling_agency: REINFORCER-COVER, 20 MH, NON-REL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-540-9318, 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

4HB861

NSN: 5340-01-540-9318
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)

SPECIFICATIONS

outside_diameter	4.000 INCHES NOMINAL IN
inside_corner_radius	24.187 INCHES NOMINAL IN
peripheral_shape_style	ROUND, ONE HOLE
end_item_identification	END ITEM NSN: 3990-01-444-6174; PALLETIZED LOADING SYSTEM (PLS) M1074, M1075, M1076, M1077
cross-sectional_shape_style	ARCHED
part_name_assigned_by_controlling_agency	REINFORCER-COVER, 20 MH, NON-REL
bolt_hole_centerline_to_nearest_edge_distance	2.000 INCHES NOMINAL IN
NSN	5340-01-540-9318

COMPONENT DIAGRAM

KEY FEATURES

•

INSIDE CORNER RADIUS: 24.187 INCHES NOMINAL IN

•

CROSS-SECTIONAL SHAPE STYLE: ARCHED

•

OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN

•

BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 2.000 INCHES NOMINAL IN

•

PERIPHERAL SHAPE STYLE: ROUND, ONE HOLE

TECHNICAL CHARACTERISTICS

INSIDE CORNER RADIUS	24.187 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	ARCHED
OUTSIDE DIAMETER	4.000 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE	2.000 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLE	ROUND, ONE HOLE
PART NAME ASSIGNED BY CONTROLLING AGENCY	REINFORCER-COVER, 20 MH, NON-REL
END ITEM IDENTIFICATION	END ITEM NSN: 3990-01-444-6174; PALLETIZED LOADING SYSTEM (PLS) M1074, M1075, M1076, M1077

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 4HB861?

4HB861 is a COVER,ACCESS.

What is the NSN for 4HB861?

4HB861 is cataloged in the U.S. Government catalog under NSN 5340-01-540-9318. This indicates validated use in U.S. government and defense supply chains.

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4HB861 — COVER,ACCESS

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