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8644312 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8644312: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, nut_style: ROUND, nut_diameter: 2.4983 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 1.062 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-138-4716, 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
8644312
NSN: 5310-01-138-4716
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
nut_styleROUND
nut_diameter2.4983 INCHES NOMINAL IN
thread_class2B
nut_thickness1.062 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size1.000 INCHES IN
drive_point_diameter0.3125 INCHES NOMINAL IN
drive_point_quantity3
thread_quantity_per_inch12
material_document_and_classificationQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-138-4716
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8644312 · 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 SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT DIAMETER: 2.4983 INCHES NOMINAL IN
•
NUT THICKNESS: 1.062 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.3125 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 3
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-268 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT DIAMETER2.4983 INCHES NOMINAL IN
NUT THICKNESS1.062 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.3125 INCHES NOMINAL IN
DRIVE POINT QUANTITY3
NUT STYLEROUND
THREAD CLASS2B
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 8644312?
8644312 is a NUT,PLAIN,ROUND.
What is the NSN for 8644312?
8644312 is cataloged in the U.S. Government catalog under NSN 5310-01-138-4716. 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.