PartsTable
Technical Data Sheet
Download PDF

3-100-209-02 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3-100-209-02: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, nut_style: ROUND, nut_diameter: 2.380 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 1.252 INCHES NOMINAL IN, thread_series: UN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-074-3689, 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
3-100-209-02
NSN: 5310-01-074-3689
FSC: 5310 — Nuts and Washers
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
nut_styleROUND
nut_diameter2.380 INCHES NOMINAL IN
thread_class2B
nut_thickness1.252 INCHES NOMINAL IN
thread_seriesUN
special_featuresUSED ON ARMED BATTLE TANK,MODEL NO. M1E1: TANK COMBAT FULL TRK,MODEL NO. M1 AND IMPROVED TANK; MODEL NO. M11A
thread_directionRIGHT-HAND
drive_point_width0.310 INCHES NOMINAL IN
small_end_diameter2.065 INCHES NOMINAL IN
undercut_thickness0.692 INCHES NOMINAL IN
nominal_thread_size1.875 INCHES IN
NSN5310-01-074-3689
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3-100-209-02 · 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
•
DRIVE POINT WIDTH: 0.310 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.875 INCHES IN
•
NUT DIAMETER: 2.380 INCHES NOMINAL IN
•
UNDERCUT THICKNESS: 0.692 INCHES NOMINAL IN
•
NUT THICKNESS: 1.252 INCHES NOMINAL IN
•
SMALL END DIAMETER: 2.065 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
DRIVE POINT WIDTH0.310 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.875 INCHES IN
NUT DIAMETER2.380 INCHES NOMINAL IN
UNDERCUT THICKNESS0.692 INCHES NOMINAL IN
NUT THICKNESS1.252 INCHES NOMINAL IN
SMALL END DIAMETER2.065 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON ARMED BATTLE TANK,MODEL NO. M1E1: TANK COMBAT FULL TRK,MODEL NO. M1 AND IMPROVED TANK; MODEL NO. M11A
DRIVE POINT QUANTITY4
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
Ready to buy 3-100-209-02?
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 3-100-209-02?
3-100-209-02 is a NUT,PLAIN,ROUND.
What is the NSN for 3-100-209-02?
3-100-209-02 is cataloged in the U.S. Government catalog under NSN 5310-01-074-3689. 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 — 3-100-209-02

✓ 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.