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13204E2731 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

13204E2731: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN, temp_rating: 350.0 CELSIUS MINIMUM AND 400.0 CELSIUS MAXIMUM DEGC, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND, width_across_flats: 1.053 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-183-6841, 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
13204E2731
NSN: 5310-01-183-6841
FSC: 5310 — Nuts and Washers
CAGE: 97403 — CECOM LR CENTER (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
temp_rating350.0 CELSIUS MINIMUM AND 400.0 CELSIUS MAXIMUM DEGC
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats1.053 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch10
NSN5310-01-183-6841
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13204E2731 · 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
•
WIDTH ACROSS FLATS: 1.053 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: 350.0 CELSIUS MINIMUM AND 400.0 CELSIUS MAXIMUM DEGC
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
NUT HEIGHT: 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 10
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.053 INCHES MINIMUM AND 1.065 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING350.0 CELSIUS MINIMUM AND 400.0 CELSIUS MAXIMUM DEGC
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
NUT HEIGHT0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH10
BEARING SURFACE TYPEFLAT
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 3
52NE7503-1210Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
52NE2120120Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
F52NE7503-1210Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 13204E2731?
13204E2731 is a NUT,PLAIN,HEXAGON.
What parts can replace 13204E2731?
There are 3 known substitutes for 13204E2731: 52NE7503-1210, 52NE2120120, F52NE7503-1210. Substitute compatibility should be verified for your specific system.
What is the NSN for 13204E2731?
13204E2731 is cataloged in the U.S. Government catalog under NSN 5310-01-183-6841. 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.