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8599145 ITEM 4 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8599145 ITEM 4: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-665-5077, 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
8599145 ITEM 4
NSN: 5310-01-665-5077
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
criticality_code_justificationZZZW
NSN5310-01-665-5077
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8599145 ITEM 4 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZW
DEPARTURE FROM CITED DOCUMENTMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
SUBSTITUTES & CROSS-REFERENCES 3
MS35338-139D7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS35338-139Reference document
Same NSN cross-reference
Reference document — Identification reference
8599145 ITEM 4D7Same 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 8599145 ITEM 4?
8599145 ITEM 4 is a WASHER,LOCK.
What parts can replace 8599145 ITEM 4?
There are 3 known substitutes for 8599145 ITEM 4: MS35338-139D7, MS35338-139, 8599145 ITEM 4D7. Substitute compatibility should be verified for your specific system.
What is the NSN for 8599145 ITEM 4?
8599145 ITEM 4 is cataloged in the U.S. Government catalog under NSN 5310-01-665-5077. This indicates validated use in U.S. government and defense supply chains.
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