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A239-1 — SEMICONDUCTOR DEVICE,DIODE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A239-1: SEMICONDUCTOR DEVICE,DIODE.

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, outside_diameter: 0.844 INCHES NOMINAL0.844 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.006 INCHES NOMINAL0.006 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-026-7835, 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
A239-1
NSN: 5310-01-026-7835
NIINs: 010267835, 014090477
FSC: 5310 — Nuts and Washers
CAGE: 95270 — SKURKA AEROSPACE INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
outside_diameter0.844 INCHES NOMINAL0.844 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.006 INCHES NOMINAL0.006 INCHES NOMINAL IN
end_item_identificationINDICATOR,TEMPERATURE, POWER TURBINE INLET
NSN5310-01-026-7835
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A239-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 0.844 INCHES NOMINAL0.844 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.006 INCHES NOMINAL0.006 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.844 INCHES NOMINAL0.844 INCHES NOMINAL IN
MATERIAL THICKNESS0.006 INCHES NOMINAL0.006 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL0.438 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5049-232Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A239-1?
A239-1 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace A239-1?
There is 1 known substitute for A239-1: 5049-232. Substitute compatibility should be verified for your specific system.
What is the NSN for A239-1?
A239-1 is cataloged in the U.S. Government catalog under NSN 5310-01-026-7835. 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.