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NL69310-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NL69310-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM, hole_diameter: 0.250 INCHES NOMINAL IN, body_thickness: 0.012 INCHES NOMINAL IN, inside_diameter: 3.875 INCHES NOMINAL IN, flange_thickness: 0.012 INCHES NOMINAL IN, outside_diameter: 5.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-346-0157, 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
NL69310-1
NSN: 5340-00-346-0157
FSC: 5340 — Hardware, Commercial
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialALUMINUM
hole_diameter0.250 INCHES NOMINAL IN
body_thickness0.012 INCHES NOMINAL IN
inside_diameter3.875 INCHES NOMINAL IN
flange_thickness0.012 INCHES NOMINAL IN
outside_diameter5.062 INCHES NOMINAL IN
inside_corner_radius0.031 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, MULTI HOLES
first_recess_inside_height0.687 INCHES NOMINAL IN
hole_quantity_along_length4
cross-sectional_shape_styleCIRCULAR RECESS
NSN5340-00-346-0157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NL69310-1 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
•
FLANGE THICKNESS: 0.012 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.031 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.687 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
DISTANCE BETWEEN HOLE CENTERS: 0.146 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 5.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.012 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.031 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.687 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
DISTANCE BETWEEN HOLE CENTERS0.146 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER5.062 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE3.388 INCHES NOMINAL IN
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NL69310-1?
NL69310-1 is a COVER,ACCESS.
What is the NSN for NL69310-1?
NL69310-1 is cataloged in the U.S. Government catalog under NSN 5340-00-346-0157. 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.