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75A603520-2003 — NUT,PLAIN,BARREL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

75A603520-2003: NUT,PLAIN,BARREL.

The NUT,PLAIN,BARREL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: PLAIN BARREL, nut_length: 0.600 INCHES NOMINAL IN, nut_diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-169-5566, 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
75A603520-2003
NSN: 5310-01-169-5566
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
nut_stylePLAIN BARREL
nut_length0.600 INCHES NOMINAL IN
nut_diameter0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
thread_directionLEFT-HAND
surface_treatmentCADMIUM OVERALL EXCEPT THREADS
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
material_document_and_classificationQQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationPS13101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS
NSN5310-01-169-5566
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 75A603520-2003 · 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: 0.600 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS13101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: LEFT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT DIAMETER: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL EXCEPT THREADS
TECHNICAL CHARACTERISTICS
NUT LENGTH0.600 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONLEFT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT DIAMETER0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL EXCEPT THREADS
NUT STYLEPLAIN BARREL
THREAD CLASS3B
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
75A603520-2003AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 75A603520-2003?
75A603520-2003 is a NUT,PLAIN,BARREL.
What parts can replace 75A603520-2003?
There is 1 known substitute for 75A603520-2003: 75A603520-2003A. Substitute compatibility should be verified for your specific system.
What is the NSN for 75A603520-2003?
75A603520-2003 is cataloged in the U.S. Government catalog under NSN 5310-01-169-5566. This indicates validated use in U.S. government and defense supply chains.
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