PartsTable
Technical Data Sheet
Download PDF

U518877 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

U518877: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR STEEL COMP 347 OVERALL, thickness: 0.087 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, hole_diameter: 0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN, heat_treatment: AS FABRICATED, overall_diameter: 1.500 INCHES NOMINAL IN, surface_treatment: OXIDE FILM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-008-1955, 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
U518877
NSN: 5310-01-008-1955
FSC: 5310 — Nuts and Washers
CAGE: 78943 — TRIUMPH THERMAL SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR STEEL COMP 347 OVERALL
thickness0.087 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
hole_diameter0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
overall_diameter1.500 INCHES NOMINAL IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-01-008-1955
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: U518877 · 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
•
OVERALL DIAMETER: 1.500 INCHES NOMINAL IN
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 321 OR STEEL COMP 347 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.500 INCHES NOMINAL IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 321 OR STEEL COMP 347 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.320 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
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
No demilitarization required
Ready to buy U518877?
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 U518877?
U518877 is a WASHER,FLAT.
What is the NSN for U518877?
U518877 is cataloged in the U.S. Government catalog under NSN 5310-01-008-1955. 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 — U518877