PartsTable
Technical Data Sheet
Download PDF

503477 — NUT,PLAIN,WELDING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

503477: NUT,PLAIN,WELDING.

The NUT,PLAIN,WELDING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: O/A LG 5.875 IN.;O/A WG 1.062 IN.O/A H 3.719 IN.;ALUMINUM;PAINTED IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-050-3477, 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
503477
NSN: 5310-00-050-3477
NIINs: 000503477, 011109877
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
general_characteristics_item_descriptionO/A LG 5.875 IN.;O/A WG 1.062 IN.O/A H 3.719 IN.;ALUMINUM;PAINTED IN
NSN5310-00-050-3477
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 503477 · 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: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
NUT THICKNESS: 0.156 INCHES NOMINAL IN
•
NUT STYLE: PLAIN WELDING
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT THICKNESS0.156 INCHES NOMINAL IN
NUT STYLEPLAIN WELDING
THREAD CLASS2B
THREAD QUANTITY PER INCH20
MATERIALSTEEL COMP 1015 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
9F6445Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CV136818Same 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 503477?
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 503477?
503477 is a NUT,PLAIN,WELDING.
What parts can replace 503477?
There are 2 known substitutes for 503477: 9F6445, CV136818. Substitute compatibility should be verified for your specific system.
What is the NSN for 503477?
503477 is cataloged in the U.S. Government catalog under NSN 5310-00-050-3477. 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 — 503477

✓ 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.