PartsTable
Technical Data Sheet
Download PDF

L43170P03 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

L43170P03: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.116 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN, hole_diameter: 0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN, overall_diameter: 1.340 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-418-2318, 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
L43170P03
NSN: 5310-01-418-2318
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.116 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
hole_diameter0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
overall_diameter1.340 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-418-2318
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: L43170P03 · 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: 1.340 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
THICKNESS: 0.116 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.340 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.554 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
THICKNESS0.116 INCHES MINIMUM AND 0.134 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 1
5310PL0684778Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy L43170P03?
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 L43170P03?
L43170P03 is a WASHER,FLAT.
What parts can replace L43170P03?
There is 1 known substitute for L43170P03: 5310PL0684778. Substitute compatibility should be verified for your specific system.
What is the NSN for L43170P03?
L43170P03 is cataloged in the U.S. Government catalog under NSN 5310-01-418-2318. 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 — L43170P03

✓ 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.