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PartsTable / COMPONENT / SS845-1889550
SS845-1889550 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The GLAND,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: STEEL, general_characteristics_item_description: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-057-7724, 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
SS845-1889550
NSN: 5310-01-057-7724
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
special_featuresSTEEL
general_characteristics_item_descriptionSTEEL
NSN5310-01-057-7724
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SS845-1889550 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MANGANESE BRONZE; 3 IN.SIZE; 1.865 IN.O/A H; 1-4 VALVE STEM THD THRU BORE; 1.625-12 UN 2A THD ON BODY; 1.438 IN.THD LG; 1.750 IN.HEX WRENCHING FEATURE ON ONE END A
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMANGANESE BRONZE; 3 IN.SIZE; 1.865 IN.O/A H; 1-4 VALVE STEM THD THRU BORE; 1.625-12 UN 2A THD ON BODY; 1.438 IN.THD LG; 1.750 IN.HEX WRENCHING FEATURE ON ONE END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2620-922X1ASSYGSPC46 3INInterchangeable
interchangeable cross-reference
interchangeable
SS845 1889550Interchangeable
interchangeable cross-reference
interchangeable
2620-922X1ASSYGInterchangeable
interchangeable cross-reference
interchangeable
SS845-1889550 PIECE 82 3INInterchangeable
interchangeable cross-reference
interchangeable
SS845-1889550 PIECE 81 3INInterchangeable
interchangeable cross-reference
interchangeable
845-1889550PC50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SS845-1889550?
SS845-1889550 is a GLAND,VALVE.
What parts can replace SS845-1889550?
There are 15 known substitutes for SS845-1889550: 2620-922X1ASSYGSPC46 3IN, SS845 1889550, 2620-922X1ASSYG and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SS845-1889550?
SS845-1889550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-057-7724. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026