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Technical Data Sheet
PartsTable / COMPONENT / 820-4446005 ITM. 1.15 AND 7.6
820-4446005 ITM. 1.15 AND 7.6 ✓ 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 820-4446005 ITM. 1.15 AND 7.6 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-153-8271, 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
820-4446005 ITM. 1.15 AND 7.6
NSN: 5315-00-153-8271
FSC: 5315
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number820-4446005 ITM. 1.15 AND 7.6
NSN5315-00-153-8271
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 820-4446005 ITM. 1.15 AND 7.6 · 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
•
MATERIAL THICKNESS: 0.048 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.048 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
DIAMETER0.250 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSLOTTED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MS171646Interchangeable
interchangeable cross-reference
interchangeable
MS9047-224Interchangeable
interchangeable cross-reference
interchangeable
NASM10971TYPE1COMPOSITIONAInterchangeable
interchangeable cross-reference
interchangeable
79-048-250-1500Interchangeable
interchangeable cross-reference
interchangeable
MS16562-254Interchangeable
interchangeable cross-reference
interchangeable
325-043Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 820-4446005 ITM. 1.15 AND 7.6?
820-4446005 ITM. 1.15 AND 7.6 is a 820-4446005 ITM. 1.15 AND 7.6.
What parts can replace 820-4446005 ITM. 1.15 AND 7.6?
There are 9 known substitutes for 820-4446005 ITM. 1.15 AND 7.6: MS171646, MS9047-224, NASM10971TYPE1COMPOSITIONA and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-4446005 ITM. 1.15 AND 7.6?
820-4446005 ITM. 1.15 AND 7.6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-153-8271. 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