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S14-40-5173 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S14-40-5173: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, hole_diameter: 0.547 INCHES NOMINAL IN, shoulder_height: 0.050 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-558-7751, 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
S14-40-5173
NSN: 5310-00-558-7751
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
hole_diameter0.547 INCHES NOMINAL IN
shoulder_height0.050 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
material_thickness0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-558-7751
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S14-40-5173 · 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: 0.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 4130 OVERALL
•
HOLE DIAMETER: 0.547 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.050 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 COND F MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
SHOULDER DIAMETER0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130 OVERALL
HOLE DIAMETER0.547 INCHES NOMINAL 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
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FREQUENTLY ASKED QUESTIONS
What is S14-40-5173?
S14-40-5173 is a WASHER,SHOULDERED.
What is the NSN for S14-40-5173?
S14-40-5173 is cataloged in the U.S. Government catalog under NSN 5310-00-558-7751. 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.