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50MS590 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

50MS590: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010, head_height: 0.156 INCHES NOMINAL IN, overall_height: 0.531 INCHES NOMINAL IN, prong_quantity: 14, style_designator: STANDARD, surface_treatment: CADMIUM OR ZINC. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-270-8535, 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
50MS590
NSN: 5340-00-270-8535
FSC: 5340 — Hardware, Commercial
CAGE: 1LQK8 — KEYSIGHT TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1010
head_height0.156 INCHES NOMINAL IN
overall_height0.531 INCHES NOMINAL IN
prong_quantity14
style_designatorSTANDARD
surface_treatmentCADMIUM OR ZINC
head_outside_diameter2.312 INCHES NOMINAL IN
prong_outside_diameter2.031 INCHES NOMINAL IN
hole_accommodation_diameter2.000 INCHES NOMINAL IN
material_accommodated_thickness0.037 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
material_document_and_classificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-270-8535
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50MS590 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
•
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
•
HOLE ACCOMMODATION DIAMETER: 2.000 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.037 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
•
PRONG OUTSIDE DIAMETER: 2.031 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OR ZINC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.531 INCHES NOMINAL IN
HEAD HEIGHT0.156 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER2.000 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.037 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
PRONG OUTSIDE DIAMETER2.031 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OR ZINC
HEAD OUTSIDE DIAMETER2.312 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010
SUBSTITUTES & CROSS-REFERENCES 4
99051-431Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS451Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
48175Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SS48175Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 50MS590?
50MS590 is a BUTTON,PLUG.
What parts can replace 50MS590?
There are 4 known substitutes for 50MS590: 99051-431, NAS451, 48175 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50MS590?
50MS590 is cataloged in the U.S. Government catalog under NSN 5340-00-270-8535. 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.