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513129 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

513129: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hole_diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, hardness_rating: 78.0 ROCKWELL B MINIMUM, shoulder_height: 0.037 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN, outside_diameter: 0.492 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN, special_features: O/D CHAMFERED AT 45 DEG ANGLE,0.020 IN. MIN,0.030 IN.

MAX IN. This part is cataloged in the U.S. Government catalog under NSN 5310-00-987-9034, 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
513129
NSN: 5310-00-987-9034
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hole_diameter0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
hardness_rating78.0 ROCKWELL B MINIMUM
shoulder_height0.037 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
outside_diameter0.492 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
special_featuresO/D CHAMFERED AT 45 DEG ANGLE,0.020 IN. MIN,0.030 IN. MAX IN
style_designatorSHOULDERED
shoulder_diameter0.423 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
material_thickness0.039 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
material_document_and_classificationAMS4121 ASSN STD SINGLE MATERIAL RESPONSE AND H.S.145 GRADE 3D MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationH.S.95 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-987-9034
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 513129 · 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: H.S.95 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.037 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
•
HARDNESS RATING: 78.0 ROCKWELL B MINIMUM
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4121 ASSN STD SINGLE MATERIAL RESPONSE AND H.S.145 GRADE 3D MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.492 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.039 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.423 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONH.S.95 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.037 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
HARDNESS RATING78.0 ROCKWELL B MINIMUM
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4121 ASSN STD SINGLE MATERIAL RESPONSE AND H.S.145 GRADE 3D MFR REF SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.492 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
MATERIAL THICKNESS0.039 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
SHOULDER DIAMETER0.423 INCHES MINIMUM AND 0.433 INCHES MAXIMUM IN
SPECIAL FEATURESO/D CHAMFERED AT 45 DEG ANGLE,0.020 IN. MIN,0.030 IN. MAX IN
SURFACE TREATMENTANODIZE 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 513129?
513129 is a WASHER,SHOULDERED.
What is the NSN for 513129?
513129 is cataloged in the U.S. Government catalog under NSN 5310-00-987-9034. 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.