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4F75700-159A — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4F75700-159A: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024, ear_radius: 0.410 INCHES NOMINAL IN, body_radius: 1.900 INCHES NOMINAL IN, body_thickness: 0.040 INCHES NOMINAL IN, inverted_radius: 0.500 INCHES NOMINAL IN, bolt_circle_diameter: 3.820 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-077-7970, 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
4F75700-159A
NSN: 5340-01-077-7970
FSC: 5340 — Hardware, Commercial
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024
ear_radius0.410 INCHES NOMINAL IN
body_radius1.900 INCHES NOMINAL IN
ear_quantity8
body_thickness0.040 INCHES NOMINAL IN
inverted_radius0.500 INCHES NOMINAL IN
bolt_circle_diameter3.820 INCHES NOMINAL IN
securing_device_typeELBOW CATCH
peripheral_shape_styleROUND, MULTIEARS AND HOLES
bolt_circle_hole_quantity8
cross-sectional_shape_styleFLAT
material_document_and_classificationQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-01-077-7970
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4F75700-159A 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
•
EAR QUANTITY: 8
•
BOLT CIRCLE HOLE QUANTITY: 8
•
EAR RADIUS: 0.410 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
INVERTED RADIUS: 0.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: ELBOW CATCH
•
BODY RADIUS: 1.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
EAR QUANTITY8
BOLT CIRCLE HOLE QUANTITY8
EAR RADIUS0.410 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
INVERTED RADIUS0.500 INCHES NOMINAL IN
SECURING DEVICE TYPEELBOW CATCH
BODY RADIUS1.900 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER3.820 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTIEARS AND HOLES
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4F75700-159A?
4F75700-159A is a COVER,ACCESS.
What is the NSN for 4F75700-159A?
4F75700-159A is cataloged in the U.S. Government catalog under NSN 5340-01-077-7970. 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.