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NAS1149E0663RD4 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NAS1149E0663RD4: WASHER,FLAT.

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

Government catalog under NSN 5310-01-677-3748, 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
NAS1149E0663RD4
NSN: 5310-01-677-3748
FSC: 5310 — Nuts and Washers
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
NSN5310-01-677-3748
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS1149E0663RD4 · 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: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: 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 JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL 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
8599752 ITEM 51D4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8599752 ITEM 51Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
NAS1149E0663RReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1149E0663RD4?
NAS1149E0663RD4 is a WASHER,FLAT.
What parts can replace NAS1149E0663RD4?
There are 3 known substitutes for NAS1149E0663RD4: 8599752 ITEM 51D4, 8599752 ITEM 51, NAS1149E0663R. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1149E0663RD4?
NAS1149E0663RD4 is cataloged in the U.S. Government catalog under NSN 5310-01-677-3748. 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.