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219551-01 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

219551-01: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL NUT, nut_style: INTERNAL OR EXTERNAL WRENCHING HEXAGON, thread_direction: RIGHT-HAND, surface_treatment: ZINC NUT, nominal_thread_size: 0.625 INCHES IN, end_item_identification: 5895016082698. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-618-1063, 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
219551-01
NSN: 5310-01-618-1063
FSC: 5310 — Nuts and Washers
CAGE: 1BPK0 — DATAPATH, INC. DBA DATAPATH INC (USA)
SPECIFICATIONS
materialSTEEL NUT
nut_styleINTERNAL OR EXTERNAL WRENCHING HEXAGON
thread_directionRIGHT-HAND
surface_treatmentZINC NUT
nominal_thread_size0.625 INCHES IN
end_item_identification5895016082698
thread_quantity_per_inch11
nondefinitive_spec/std_data8 GRADE
NSN5310-01-618-1063
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 219551-01 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: 8 GRADE
•
SURFACE TREATMENT: ZINC NUT
•
NUT STYLE: INTERNAL OR EXTERNAL WRENCHING HEXAGON
•
THREAD QUANTITY PER INCH: 11
•
MATERIAL: STEEL NUT
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
NONDEFINITIVE SPEC/STD DATA8 GRADE
SURFACE TREATMENTZINC NUT
NUT STYLEINTERNAL OR EXTERNAL WRENCHING HEXAGON
END ITEM IDENTIFICATION5895016082698
THREAD QUANTITY PER INCH11
MATERIALSTEEL NUT
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 219551-01?
219551-01 is a NUT,PLAIN,HEXAGON.
What is the NSN for 219551-01?
219551-01 is cataloged in the U.S. Government catalog under NSN 5310-01-618-1063. 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.