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17AT57 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

17AT57: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510 OVERALL, hole_diameter: 0.099 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN, outside_diameter: 0.147 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: OXIDE FILM OVERALL, material_thickness: 0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-032-1974, 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
17AT57
NSN: 5310-00-032-1974
FSC: 5310 — Nuts and Washers
CAGE: 35918 — HORIZON AEROSPACE LLC DBA MAGNETICS DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OVERALL
hole_diameter0.099 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
outside_diameter0.147 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentOXIDE FILM OVERALL
material_thickness0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
material_document_and_classificationAMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-032-1974
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 17AT57 · 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.147 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
MATERIAL: COPPER ALLOY 510 OVERALL
•
HOLE DIAMETER: 0.099 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.147 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
MATERIAL THICKNESS0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
COLORBLACK OVERALL
SURFACE TREATMENTOXIDE FILM OVERALL
MATERIALCOPPER ALLOY 510 OVERALL
HOLE DIAMETER0.099 INCHES MINIMUM AND 0.102 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 17AT57?
17AT57 is a WASHER,LOCK.
What is the NSN for 17AT57?
17AT57 is cataloged in the U.S. Government catalog under NSN 5310-00-032-1974. 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.