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2662252 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2662252: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OVERALL, hole_diameter: 1.969 INCHES NOMINAL IN, overall_height: 0.200 INCHES NOMINAL IN, outside_diameter: 2.820 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-544-3166, 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
2662252
NSN: 5310-00-544-3166
FSC: 5310 — Nuts and Washers
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OVERALL
hole_diameter1.969 INCHES NOMINAL IN
overall_height0.200 INCHES NOMINAL IN
outside_diameter2.820 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
surface_treatment_document_and_classificationES-F53-2 FSCM 92003 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-544-3166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2662252 · 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: ES-F53-2 FSCM 92003 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 1/2 HARD TEMPER MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 1/2 HARD TEMPER FED SPEC 2ND MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.820 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 1.969 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.200 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONES-F53-2 FSCM 92003 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 1/2 HARD TEMPER MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-766 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 1/2 HARD TEMPER FED SPEC 2ND MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.820 INCHES NOMINAL IN
MATERIAL THICKNESS0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OVERALL
HOLE DIAMETER1.969 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
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2662252?
2662252 is a WASHER,SPRING TENSION.
What is the NSN for 2662252?
2662252 is cataloged in the U.S. Government catalog under NSN 5310-00-544-3166. 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.