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01-09-001279 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

01-09-001279: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND, width_across_flats: 1.062 INCHES NOMINAL IN, nominal_thread_size: 0.625 INCHES IN, thread_quantity_per_inch: 18. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-034-2783, 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
01-09-001279
NSN: 5310-01-034-2783
FSC: 5310 — Nuts and Washers
CAGE: 37871 — FOREMOST INDUSTRIES LP DIV INDUSTRIES LTD (CAN)
SPECIFICATIONS
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats1.062 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
thread_quantity_per_inch18
NSN5310-01-034-2783
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 01-09-001279 · 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
•
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 18
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD CLASS2B
THREAD QUANTITY PER INCH18
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 1
624-1-0285Reference 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 01-09-001279?
01-09-001279 is a NUT,PLAIN,HEXAGON.
What parts can replace 01-09-001279?
There is 1 known substitute for 01-09-001279: 624-1-0285. Substitute compatibility should be verified for your specific system.
What is the NSN for 01-09-001279?
01-09-001279 is cataloged in the U.S. Government catalog under NSN 5310-01-034-2783. 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.