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8739786 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8739786: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include hole_diameter: 0.670 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN, shoulder_height: 0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN, outside_diameter: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN, style_designator: SHOULDERED, features_provided: CASEHARDENED, shoulder_diameter: 0.830 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-679-4558, 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
8739786
NSN: 5310-00-679-4558
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
hole_diameter0.670 INCHES MINIMUM AND 0.672 INCHES MAXIMUM IN
shoulder_height0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
outside_diameter0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
style_designatorSHOULDERED
features_providedCASEHARDENED
shoulder_diameter0.830 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
material_thickness0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-679-4558
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8739786 · 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: 0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
MATERIAL THICKNESS: 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.830 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.080 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
MATERIAL THICKNESS0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
SHOULDER DIAMETER0.830 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
HOLE DIAMETER0.670 INCHES MINIMUM AND 0.672 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

No substitute or cross-reference records for this part.

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 8739786?
8739786 is a WASHER,SHOULDERED.
What is the NSN for 8739786?
8739786 is cataloged in the U.S. Government catalog under NSN 5310-00-679-4558. 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.