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7057352 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7057352: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, hole_diameter: 0.321 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN, heat_treatment: QUENCHED AND TEMPERED, overall_height: 0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hardness_rating: 80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM, outside_diameter: 0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-705-7352, 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
7057352
NSN: 5310-00-705-7352
NIINs: 007057352, 007057355
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
hole_diameter0.321 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
heat_treatmentQUENCHED AND TEMPERED
overall_height0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hardness_rating80.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM
outside_diameter0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.010 INCHES NOMINAL IN
material_document_and_classificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-705-7352
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7057352 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766 CL 4 COND E FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.672 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.010 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
HOLE DIAMETER: 0.321 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.055 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766 CL 4 COND E FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.672 INCHES MINIMUM AND 0.682 INCHES MAXIMUM IN
MATERIAL THICKNESS0.010 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.321 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
5310007057352Reference document
Same NSN cross-reference
Reference document — Secondary reference
203940Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7057352?
7057352 is a WASHER,SPRING TENSION.
What parts can replace 7057352?
There are 2 known substitutes for 7057352: 5310007057352, 203940. Substitute compatibility should be verified for your specific system.
What is the NSN for 7057352?
7057352 is cataloged in the U.S. Government catalog under NSN 5310-00-705-7352. This indicates validated use in U.S. government and defense supply chains.
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