PartsTable
Technical Data Sheet
Download PDF

157181 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

157181: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, nut_style: ROUND, nut_diameter: 4.375 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 1.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-474-0469, 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
157181
NSN: 5310-00-474-0469
FSC: 5310 — Nuts and Washers
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
nut_styleROUND
nut_diameter4.375 INCHES NOMINAL IN
thread_class3B
nut_thickness1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
drive_point_depth0.250 INCHES NOMINAL IN
drive_point_width0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
drive_point_quantity2
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-474-0469
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 157181 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
DRIVE POINT WIDTH: 0.375 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT DIAMETER: 4.375 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 0.250 INCHES NOMINAL IN
•
NUT THICKNESS: 1.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
DRIVE POINT QUANTITY: 2
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.375 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT DIAMETER4.375 INCHES NOMINAL IN
DRIVE POINT DEPTH0.250 INCHES NOMINAL IN
NUT THICKNESS1.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
DRIVE POINT QUANTITY2
NUT STYLEROUND
THREAD CLASS3B
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 157181?
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 157181?
157181 is a NUT,PLAIN,ROUND.
What is the NSN for 157181?
157181 is cataloged in the U.S. Government catalog under NSN 5310-00-474-0469. 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 — 157181

✓ 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.