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9644M33P04 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9644M33P04: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 6.650 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 1.140 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN, thread_series: UNJS. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-055-9873, 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
9644M33P04
NSN: 5310-01-055-9873
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter6.650 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
thread_class3B
nut_thickness1.140 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
thread_seriesUNJS
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
nominal_thread_size6.187 INCHES IN
thread_quantity_per_inch16
thread_pitch_in_millimeters0.52
NSN5310-01-055-9873
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9644M33P04 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNJS
•
THREAD PITCH IN MILLIMETERS: 0.52
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 6.187 INCHES IN
•
NUT DIAMETER: 6.650 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNJS
THREAD PITCH IN MILLIMETERS0.52
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE6.187 INCHES IN
NUT DIAMETER6.650 INCHES MINIMUM AND 6.660 INCHES MAXIMUM IN
NUT THICKNESS1.140 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE OVERALL
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
5310PL0628024Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9644M33P04?
9644M33P04 is a NUT,PLAIN,ROUND.
What parts can replace 9644M33P04?
There is 1 known substitute for 9644M33P04: 5310PL0628024. Substitute compatibility should be verified for your specific system.
What is the NSN for 9644M33P04?
9644M33P04 is cataloged in the U.S. Government catalog under NSN 5310-01-055-9873. 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.