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1784757 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1784757: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_angle: 90.0 DEGREES NOMINAL, hole_diameter: 0.671 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN, recess_diameter: 0.733 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN, outside_diameter: 1.000 INCHES NOMINAL IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-883-9241, 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
1784757
NSN: 5310-00-883-9241
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_angle90.0 DEGREES NOMINAL
hole_diameter0.671 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
recess_diameter0.733 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.067 INCHES NOMINAL IN
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-883-9241
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1784757 · 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 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.067 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.733 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.067 INCHES NOMINAL IN
RECESS DIAMETER0.733 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.671 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN
RECESS ANGLE90.0 DEGREES NOMINAL
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1784757?
1784757 is a WASHER,RECESSED.
What is the NSN for 1784757?
1784757 is cataloged in the U.S. Government catalog under NSN 5310-00-883-9241. This indicates validated use in U.S. government and defense supply chains.
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