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203506 — PLUG,ROTARY,VALVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

203506: PLUG,ROTARY,VALVE.

The PLUG,ROTARY,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, port_shape: ROUND, plug_diameter: 1.625 INCHES NOMINAL IN, port_diameter: 0.438 INCHES NOMINAL IN, special_features: KEYWAY STEM ACCOMODATION;TWO UNTHREADED HOLES DRILLED PARALLEL W/ BORE,0.281 IN. DP IN, surface_treatment: CHROMATE.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-256-7019, 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
203506
NSN: 5310-00-256-7019
NIINs: 002567019, 011901093
FSC: 5310 — Nuts and Washers
CAGE: 32537 — JOY GLOBAL UNDERGROUND MINING LLC (USA)
SPECIFICATIONS
materialSTEEL
port_shapeROUND
plug_diameter1.625 INCHES NOMINAL IN
port_diameter0.438 INCHES NOMINAL IN
special_featuresKEYWAY STEM ACCOMODATION;TWO UNTHREADED HOLES DRILLED PARALLEL W/ BORE,0.281 IN. DP IN
surface_treatmentCHROMATE
NSN5310-00-256-7019
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 203506 · 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
•
OVERALL DIAMETER: 2.156 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PAPER OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.562 INCHES NOMINAL IN
•
THICKNESS: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.156 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALPAPER OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.562 INCHES NOMINAL IN
THICKNESS0.031 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 5
85417Reference document
Same NSN cross-reference
Reference document — Secondary reference
714728Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
040097Reference document
Same NSN cross-reference
Reference document — Secondary reference
71428Reference document
Same NSN cross-reference
Reference document — Secondary reference
0040097-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203506?
203506 is a PLUG,ROTARY,VALVE.
What parts can replace 203506?
There are 5 known substitutes for 203506: 85417, 714728, 040097 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 203506?
203506 is cataloged in the U.S. Government catalog under NSN 5310-00-256-7019. 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.