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N-4512 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

N-4512: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 3.150 INCHES NOMINAL IN, overall_height: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, outside_diameter: 3.152 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN, style_designator: RECESSED, material_thickness: 0.030 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-121-5538, 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
N-4512
NSN: 5310-01-121-5538
FSC: 5310 — Nuts and Washers
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter3.150 INCHES NOMINAL IN
overall_height0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
outside_diameter3.152 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN
style_designatorRECESSED
material_thickness0.030 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-121-5538
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N-4512 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.152 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 3.150 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.152 INCHES MINIMUM AND 3.157 INCHES MAXIMUM IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER3.150 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
234999Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N-4512?
N-4512 is a WASHER,RECESSED.
What parts can replace N-4512?
There is 1 known substitute for N-4512: 234999. Substitute compatibility should be verified for your specific system.
What is the NSN for N-4512?
N-4512 is cataloged in the U.S. Government catalog under NSN 5310-01-121-5538. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.