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33664B — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

33664B: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_length: 1.938 INCHES NOMINAL IN, thread_class: 2B, thread_length: 1.312 INCHES NOMINAL OVERALL IN, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-231-1795, 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
33664B
NSN: 5310-00-231-1795
FSC: 5310 — Nuts and Washers
CAGE: 44218 — NORWALK COMPRESEER COMPANY INC DBA NORWALK COMPRESSOR COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_length1.938 INCHES NOMINAL IN
thread_class2B
thread_length1.312 INCHES NOMINAL OVERALL IN
thread_seriesUNF
thread_directionRIGHT-HAND
nominal_thread_size1.125 INCHES IN
cross-sectional_shapeROUND W/WRENCH FLATS NUT
nut_width_across_flats1.812 INCHES NOMINAL IN
thread_quantity_per_inch12
NSN5310-00-231-1795
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 33664B · 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
•
NUT LENGTH: 1.938 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD LENGTH: 1.312 INCHES NOMINAL OVERALL IN
•
NUT WIDTH ACROSS FLATS: 1.812 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.125 INCHES IN
•
CROSS-SECTIONAL SHAPE: ROUND W/WRENCH FLATS NUT
TECHNICAL CHARACTERISTICS
NUT LENGTH1.938 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD LENGTH1.312 INCHES NOMINAL OVERALL IN
NUT WIDTH ACROSS FLATS1.812 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.125 INCHES IN
CROSS-SECTIONAL SHAPEROUND W/WRENCH FLATS NUT
CROSS-SECTIONAL SHAPEROUND FLANGE
THREAD CLASS2B
THREAD QUANTITY PER INCH12
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 33664B?
33664B is a NUT,SLEEVE.
What is the NSN for 33664B?
33664B is cataloged in the U.S. Government catalog under NSN 5310-00-231-1795. 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.