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48-031W — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

48-031W: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 0.250 INCHES NOMINAL IN, flange_thickness: 0.110 INCHES NOMINAL IN, outside_diameter: 1.495 INCHES NOMINAL IN, special_features: W/SYNTHETIC RUBBER INSERT, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-858-9450, 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
48-031W
NSN: 5340-00-858-9450
FSC: 5340 — Hardware, Commercial
CAGE: 15579 — SIOUX CORPORATION DBA SIOUX CORP (USA)
SPECIFICATIONS
materialSTEEL
body_thickness0.250 INCHES NOMINAL IN
flange_thickness0.110 INCHES NOMINAL IN
outside_diameter1.495 INCHES NOMINAL IN
special_featuresW/SYNTHETIC RUBBER INSERT
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, NO HOLES
cross-sectional_shape_styleFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
NSN5340-00-858-9450
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 48-031W 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: 0.110 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, SQUARE OR RECTANGULAR RIB REINFORCED
•
OUTSIDE DIAMETER: 1.495 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
PERIPHERAL SHAPE STYLE: ROUND, NO HOLES
•
MATERIAL: STEEL
•
BODY THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.110 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT, SQUARE OR RECTANGULAR RIB REINFORCED
OUTSIDE DIAMETER1.495 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
SPECIAL FEATURESW/SYNTHETIC RUBBER INSERT
PERIPHERAL SHAPE STYLEROUND, NO HOLES
MATERIALSTEEL
BODY THICKNESS0.250 INCHES NOMINAL IN
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 48-031W?
48-031W is a COVER,ACCESS.
What is the NSN for 48-031W?
48-031W is cataloged in the U.S. Government catalog under NSN 5340-00-858-9450. 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.