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044516 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

044516: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 17.0 MILLIMETERS NOMINAL MM, special_features: MODEL-FTCM0001-01;S3.5;B5;BARE SPRING STEEL, end_item_identification: TORPEDO COUNTERMEASURE LAUNCH SYSTEM, part_name_assigned_by_controlling_agency: WASHER,LOCK. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-673-2785, 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
044516
NSN: 5310-01-673-2785
FSC: 5310 — Nuts and Washers
CAGE: 3DU54 — WURTH U.S.A. INC (USA)
SPECIFICATIONS
hole_diameter17.0 MILLIMETERS NOMINAL MM
special_featuresMODEL-FTCM0001-01;S3.5;B5;BARE SPRING STEEL
end_item_identificationTORPEDO COUNTERMEASURE LAUNCH SYSTEM
part_name_assigned_by_controlling_agencyWASHER,LOCK
NSN5310-01-673-2785
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 044516 · 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
•
HOLE DIAMETER: 17.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMODEL-FTCM0001-01;S3.5;B5;BARE SPRING STEEL
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,LOCK
END ITEM IDENTIFICATIONTORPEDO COUNTERMEASURE LAUNCH SYSTEM
HOLE DIAMETER17.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 044516?
044516 is a WASHER,LOCK.
What is the NSN for 044516?
044516 is cataloged in the U.S. Government catalog under NSN 5310-01-673-2785. 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.