PartsTable
Technical Data Sheet
Download PDF

845-6602371 PIECE 12 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

845-6602371 PIECE 12: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY OVERALL, nut_style: ROUND, nut_diameter: 2.000 INCHES NOMINAL IN, thread_class: 3A A, nut_thickness: 1.312 INCHES NOMINAL IN, thread_series: UN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-339-7781, 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
845-6602371 PIECE 12
NSN: 5310-01-339-7781
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOBALT ALLOY OVERALL
nut_styleROUND
nut_diameter2.000 INCHES NOMINAL IN
thread_class3A A
nut_thickness1.312 INCHES NOMINAL IN
thread_seriesUN
drive_point_width0.250 INCHES NOMINAL IN
nominal_thread_size2.000 INCHES IN
drive_point_quantity2
thread_quantity_per_inch16
criticality_code_justificationZZZY
material_document_and_classificationMIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-339-7781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-6602371 PIECE 12 · 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: UN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DRIVE POINT WIDTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
NUT DIAMETER: 2.000 INCHES NOMINAL IN
•
NUT THICKNESS: 1.312 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 2
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-24252 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.250 INCHES NOMINAL IN
NOMINAL THREAD SIZE2.000 INCHES IN
NUT DIAMETER2.000 INCHES NOMINAL IN
NUT THICKNESS1.312 INCHES NOMINAL IN
DRIVE POINT QUANTITY2
NUT STYLEROUND
THREAD CLASS3A A
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
845-6602371 PIECE 12L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 845-6602371 PIECE 12?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 845-6602371 PIECE 12?
845-6602371 PIECE 12 is a NUT,PLAIN,ROUND.
What parts can replace 845-6602371 PIECE 12?
There is 1 known substitute for 845-6602371 PIECE 12: 845-6602371 PIECE 12L1. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-6602371 PIECE 12?
845-6602371 PIECE 12 is cataloged in the U.S. Government catalog under NSN 5310-01-339-7781. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 845-6602371 PIECE 12

✓ 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.