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544-8446-002 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

544-8446-002: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: SLEEVE, nut_length: 0.157 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, nut_diameter: 0.2494 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-702-9331, 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
544-8446-002
NSN: 5310-00-702-9331
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleSLEEVE
nut_length0.157 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
nut_diameter0.2494 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flange_thickness0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
special_features0.026 TO 0.036 INCH WIDE BY 0.005 TO 0.015 INCH DEEP UNDERCUT UNDER FLANGE IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES IN
cross-sectional_shapeHEXAGONAL FLANGE
NSN5310-00-702-9331
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 544-8446-002 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
NUT LENGTH: 0.157 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 580-0025-00,COLLINS RADIO CO MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE THICKNESS: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
NUT LENGTH0.157 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION580-0025-00,COLLINS RADIO CO MFR REF SINGLE TREATMENT RESPONSE OVERALL
FLANGE THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
NUT DIAMETER0.2494 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGONAL FLANGE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 544-8446-002?
544-8446-002 is a NUT,SLEEVE.
What is the NSN for 544-8446-002?
544-8446-002 is cataloged in the U.S. Government catalog under NSN 5310-00-702-9331. 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.