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1884896 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1884896: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, hole_diameter: 0.191 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, body_thickness: 0.125 INCHES NOMINAL IN, outside_diameter: 3.120 INCHES NOMINAL IN, surface_treatment: ANODIZE AND ENAMEL, bolt_circle_diameter: 2.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-078-2437, 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
1884896
NSN: 5340-01-078-2437
FSC: 5340 — Hardware, Commercial
CAGE: 21877 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
hole_diameter0.191 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
body_thickness0.125 INCHES NOMINAL IN
outside_diameter3.120 INCHES NOMINAL IN
surface_treatmentANODIZE AND ENAMEL
bolt_circle_diameter2.375 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity4
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-078-2437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1884896 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: 4
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 3.120 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE DIAMETER: 2.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE AND ENAMEL
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY4
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER3.120 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE DIAMETER2.375 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE AND ENAMEL
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
MATERIALALUMINUM ALLOY 6061
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 1884896?
1884896 is a COVER,ACCESS.
What is the NSN for 1884896?
1884896 is cataloged in the U.S. Government catalog under NSN 5340-01-078-2437. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.