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Technical Data Sheet
PartsTable / COMPONENT / NS-4023 FIND2
NS-4023 FIND2 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_thickness: 1.688 INCHES NOMINAL IN, outside_diameter: 6.875 INCHES NOMINAL IN, special_features: LEVEL ONE REQUIREMENTS DO NOT APPLY, bolt_circle_diameter: 5.688 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-177-5329, 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
NS-4023 FIND2
NSN: 5340-01-177-5329
FSC: 5340
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_thickness1.688 INCHES NOMINAL IN
outside_diameter6.875 INCHES NOMINAL IN
special_featuresLEVEL ONE REQUIREMENTS DO NOT APPLY
bolt_circle_diameter5.688 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity7
cross-sectional_shape_styleFLAT
NSN5340-01-177-5329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NS-4023 FIND2 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
•
MATERIAL: COPPER ALLOY
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
•
OUTSIDE DIAMETER: 6.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
BOLT CIRCLE DIAMETER: 5.688 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BOLT CIRCLE HOLE QUANTITY: 7
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
OUTSIDE DIAMETER6.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SPECIAL FEATURESLEVEL ONE REQUIREMENTS DO NOT APPLY
BOLT CIRCLE DIAMETER5.688 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
BOLT CIRCLE HOLE QUANTITY7
BODY THICKNESS1.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
NLT300-7Upgraded Successor
successor cross-reference
successor
NLT300-7L1Upgraded Successor
successor cross-reference
successor
589022-3Interchangeable
interchangeable cross-reference
interchangeable
5594Interchangeable
interchangeable cross-reference
interchangeable
3000-0012-2Interchangeable
interchangeable cross-reference
interchangeable
3-0012-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NS-4023 FIND2?
NS-4023 FIND2 is a COVER,ACCESS.
What parts can replace NS-4023 FIND2?
There are 16 known substitutes for NS-4023 FIND2: NLT300-7, NLT300-7L1, 589022-3 and 13 more. Substitute compatibility should be verified for your specific system.
Is NS-4023 FIND2 still available?
NS-4023 FIND2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026