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1980244 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1980244: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.3400 INCHES MINIMUM IN, length: 4.5000 INCHES NOMINAL IN, material: STEEL, body_thickness: 0.0600 INCHES NOMINAL IN, flange_thickness: 0.0600 INCHES NOMINAL IN, special_features: THERE IS ANOTHER HOLE WITH DIA. OF 0.250 IN.;IT IS LOCATED 1.63 IN.

FROM BOTTOM LENGTH AND 1.000 IN. FROM WIDTH IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-394-2443, 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
1980244
NSN: 5340-01-394-2443
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width3.3400 INCHES MINIMUM IN
length4.5000 INCHES NOMINAL IN
materialSTEEL
body_thickness0.0600 INCHES NOMINAL IN
flange_thickness0.0600 INCHES NOMINAL IN
special_featuresTHERE IS ANOTHER HOLE WITH DIA. OF 0.250 IN.;IT IS LOCATED 1.63 IN. FROM BOTTOM LENGTH AND 1.000 IN. FROM WIDTH IN
surface_treatmentCADMIUM AND CHROMATE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
first_recess_inside_height2.0000 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
distance_between_holes_along_width2.3750 INCHES NOMINAL IN
NSN5340-01-394-2443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1980244 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: 0.5000 INCHES NOMINAL IN
•
LENGTH: 4.5000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, CL 1, TY2 FED SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.7500 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.0600 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 2.0000 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 2.3750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.5000 INCHES NOMINAL IN
LENGTH4.5000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, CL 1, TY2 FED SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH3.7500 INCHES NOMINAL IN
FLANGE THICKNESS0.0600 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT2.0000 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH2.3750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
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 1980244?
1980244 is a COVER,ACCESS.
What is the NSN for 1980244?
1980244 is cataloged in the U.S. Government catalog under NSN 5340-01-394-2443. 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.