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845-8543136 — INDICATOR,VALVE OPENING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

845-8543136: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-722-6580, 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
845-8543136
NSN: 5310-01-722-6580
NIINs: 017226580, 017228080
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number845-8543136
NSN5310-01-722-6580
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-8543136 · 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
SUBSTITUTES & CROSS-REFERENCES 3
ERH553-8002D103-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
218250727Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
91FC-1426-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 845-8543136?
845-8543136 is a INDICATOR,VALVE OPENING.
What parts can replace 845-8543136?
There are 3 known substitutes for 845-8543136: ERH553-8002D103-6, 218250727, 91FC-1426-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-8543136?
845-8543136 is cataloged in the U.S. Government catalog under NSN 5310-01-722-6580. 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.