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5310PL1561019 — WASHER,CONCAVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5310PL1561019: WASHER,CONCAVE.

The WASHER,CONCAVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 OVERALL, heat_treatment: AS FABRICATED, outside_diameter: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN, style_designator: CONCAVE, surface_treatment: CADMIUM OVERALL, material_thickness: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-177-7541, 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
5310PL1561019
NSN: 5310-00-177-7541
FSC: 5310 — Nuts and Washers
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 OVERALL
heat_treatmentAS FABRICATED
outside_diameter0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
style_designatorCONCAVE
surface_treatmentCADMIUM OVERALL
material_thickness0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
material_document_and_classificationAMS5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS5520 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5528 ASSN STD 3RD MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-177-7541
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310PL1561019 · 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,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAT TREATMENT: AS FABRICATED
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS5520 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5528 ASSN STD 3RD MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAT TREATMENTAS FABRICATED
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS5520 ASSN STD 2ND MATERIAL RESPONSE OR AMS 5528 ASSN STD 3RD MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
MATERIAL THICKNESS0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 632 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 2
HL75-8WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HE114-0030-0108Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5310PL1561019?
5310PL1561019 is a WASHER,CONCAVE.
What parts can replace 5310PL1561019?
There are 2 known substitutes for 5310PL1561019: HL75-8W, HE114-0030-0108. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310PL1561019?
5310PL1561019 is cataloged in the U.S. Government catalog under NSN 5310-00-177-7541. 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.