PartsTable
Technical Data Sheet
Download PDF

NUT-0251 — NUT,PLAIN,SQUARE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NUT-0251: NUT,PLAIN,SQUARE.

The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, nut_style: SQUARE, nut_height: 0.125 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-633-9384, 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
NUT-0251
NSN: 5310-01-633-9384
FSC: 5310 — Nuts and Washers
CAGE: 57328 — BAUER COMPRESSORS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
nut_styleSQUARE
nut_height0.125 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
bearing_surface_typeFLAT OR WASHER FACED
thread_quantity_per_inch32
part_name_assigned_by_controlling_agencySQUARE NUT
NSN5310-01-633-9384
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NUT-0251 · 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: 0.375 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT HEIGHT: 0.125 INCHES NOMINAL IN
•
NUT STYLE: SQUARE
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT HEIGHT0.125 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSQUARE NUT
NUT STYLESQUARE
THREAD CLASS2B
THREAD QUANTITY PER INCH32
MATERIALSTEEL COMP 302 OVERALL
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
94785A411Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy NUT-0251?
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 NUT-0251?
NUT-0251 is a NUT,PLAIN,SQUARE.
What parts can replace NUT-0251?
There is 1 known substitute for NUT-0251: 94785A411. Substitute compatibility should be verified for your specific system.
What is the NSN for NUT-0251?
NUT-0251 is cataloged in the U.S. Government catalog under NSN 5310-01-633-9384. 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 — NUT-0251

✓ 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.