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547A002656 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

547A002656: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: ROUND, nut_diameter: 1.687 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.187 INCHES NOMINAL IN, thread_series: UNS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-086-9913, 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
547A002656
NSN: 5310-00-086-9913
FSC: 5310 — Nuts and Washers
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleROUND
nut_diameter1.687 INCHES NOMINAL IN
thread_class3B
nut_thickness0.187 INCHES NOMINAL IN
thread_seriesUNS
special_featuresTAPPED FOR SETSCREW ON SURFACE FLATS
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size1.218 INCHES IN
drive_point_diameter0.125 INCHES NOMINAL IN
drive_point_quantity2
NSN5310-00-086-9913
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 547A002656 · 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
•
THREAD SERIES: UNS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.218 INCHES IN
•
NUT DIAMETER: 1.687 INCHES NOMINAL IN
•
NUT THICKNESS: 0.187 INCHES NOMINAL IN
•
DRIVE POINT DIAMETER: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.218 INCHES IN
NUT DIAMETER1.687 INCHES NOMINAL IN
NUT THICKNESS0.187 INCHES NOMINAL IN
DRIVE POINT DIAMETER0.125 INCHES NOMINAL IN
SPECIAL FEATURESTAPPED FOR SETSCREW ON SURFACE FLATS
SURFACE TREATMENTPASSIVATE OVERALL
DRIVE POINT QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 3
A547-214Reference document
Same NSN cross-reference
Reference document — Secondary reference
002656Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2656Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 547A002656?
547A002656 is a NUT,PLAIN,ROUND.
What parts can replace 547A002656?
There are 3 known substitutes for 547A002656: A547-214, 002656, 2656. Substitute compatibility should be verified for your specific system.
What is the NSN for 547A002656?
547A002656 is cataloged in the U.S. Government catalog under NSN 5310-00-086-9913. 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.