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C4FM1573-1 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C4FM1573-1: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 0.440 INCHES NOMINAL IN, recess_diameter: 0.900 INCHES NOMINAL IN, shoulder_height: 0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN, outside_diameter: 0.980 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-411-4783, 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
C4FM1573-1
NSN: 5310-00-411-4783
FSC: 5310 — Nuts and Washers
CAGE: 71867 — DE HAVILLAND AIRCRAFT OF CANADA LIMITED (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
recess_angle100.0 DEGREES NOMINAL
hole_diameter0.440 INCHES NOMINAL IN
recess_diameter0.900 INCHES NOMINAL IN
shoulder_height0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
outside_diameter0.980 INCHES NOMINAL IN
special_featuresSURFACE OPPOSITE SHOULDER RECESSED
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.744 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
material_thickness0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-411-4783
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C4FM1573-1 · 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
•
SHOULDER HEIGHT: 0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.980 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.744 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
•
RECESS DIAMETER: 0.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.160 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.980 INCHES NOMINAL IN
MATERIAL THICKNESS0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
SHOULDER DIAMETER0.744 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
RECESS DIAMETER0.900 INCHES NOMINAL IN
SPECIAL FEATURESSURFACE OPPOSITE SHOULDER RECESSED
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
MATERIALSTEEL OVERALL
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
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FREQUENTLY ASKED QUESTIONS
What is C4FM1573-1?
C4FM1573-1 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for C4FM1573-1?
C4FM1573-1 is cataloged in the U.S. Government catalog under NSN 5310-00-411-4783. 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.