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PartsTable / COMPONENT / 5310006602971
5310006602971 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-660-2971, 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
5310006602971
NSN: 5310-00-660-2971
FSC: 5310
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresWEAPON SYSTEM ESSENTIAL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.336 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
nominal_thread_size0.164 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-00-660-2971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310006602971 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
THREAD QUANTITY PER INCH: 32
•
BEARING SURFACE TYPE: CHAMFERED
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA2 TYPE
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
THREAD QUANTITY PER INCH32
BEARING SURFACE TYPECHAMFERED
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
198453Interchangeable
interchangeable cross-reference
interchangeable
D31479Interchangeable
interchangeable cross-reference
interchangeable
UPCAT353Interchangeable
interchangeable cross-reference
interchangeable
FF-N-836Interchangeable
Same NIIN cross-reference
interchangeable
MS25082-2Interchangeable
Same NIIN cross-reference
interchangeable
5310PL0725485Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310006602971?
5310006602971 is a NUT,PLAIN,HEXAGON.
What parts can replace 5310006602971?
There are 8 known substitutes for 5310006602971: 198453, D31479, UPCAT353 and 5 more. Substitute compatibility should be verified for your specific system.
Is 5310006602971 still available?
5310006602971 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026