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ST4M150C3001 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST4M150C3001: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 AND STEEL COMP 347 OVERALL, recess_angle: 40.0 DEGREES NOMINAL, hole_diameter: 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN, recess_diameter: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN, outside_diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-289-5867, 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
ST4M150C3001
NSN: 5310-01-289-5867
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 321 AND STEEL COMP 347 OVERALL
recess_angle40.0 DEGREES NOMINAL
hole_diameter0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
recess_diameter0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
outside_diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
material_document_and_classificationQQ-P-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
NSN5310-01-289-5867
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST4M150C3001 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-P-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 321 AND STEEL COMP 347 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-P-763 FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
MATERIAL THICKNESS0.074 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
RECESS DIAMETER0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 321 AND STEEL COMP 347 OVERALL
HOLE DIAMETER0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
RECESS ANGLE40.0 DEGREES NOMINAL
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 2
10110286Reference document
Same NSN cross-reference
Reference document — Informative reference only
ST4N150C3001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 ST4M150C3001?
ST4M150C3001 is a WASHER,RECESSED.
What parts can replace ST4M150C3001?
There are 2 known substitutes for ST4M150C3001: 10110286, ST4N150C3001. Substitute compatibility should be verified for your specific system.
What is the NSN for ST4M150C3001?
ST4M150C3001 is cataloged in the U.S. Government catalog under NSN 5310-01-289-5867. 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.