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407637 — WASHER,RECESSED

✓ Government record, cited
Ricoh · NUT WASHER
PRODUCT OVERVIEW

407637: WASHER,RECESSED.

The only answer for optimum, precise performance of your Ricoh equipment - genuine Ricoh supplies. They are formulated specifically to work with Ricoh office machines. Genuine Ricoh supplies ensure outstanding copy clarity and machine reliability in even the most demanding environments.

Don't let unauthorized supplies affect the quality of your presentation with blurry images or poor copy quality. Genuine Ricoh supplies assure you of maximum machine efficiency and consistent product yield. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-044-2897, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
407637
NSN: 5310-01-044-2897
FSC: 5310 — Nuts and Washers
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
recess_depth0.131 INCHES NOMINAL IN
hole_diameter1.250 INCHES NOMINAL IN
overall_height0.156 INCHES NOMINAL IN
outside_diameter1.616 INCHES MINIMUM AND 1.618 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentPASSIVATE OVERALL
material_thickness0.039 INCHES NOMINAL IN
material_document_and_classificationVS1-1-8-3,FSCM 62983 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationVS1-3-1-15,FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-044-2897
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 407637 · Ricoh ⚠ 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: VS1-3-1-15,FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: VS1-1-8-3,FSCM 62983 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.616 INCHES MINIMUM AND 1.618 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.131 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.039 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.156 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONVS1-3-1-15,FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONVS1-1-8-3,FSCM 62983 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.616 INCHES MINIMUM AND 1.618 INCHES MAXIMUM IN
RECESS DEPTH0.131 INCHES NOMINAL IN
MATERIAL THICKNESS0.039 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER1.250 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 407637?
407637 is a WASHER,RECESSED manufactured by Ricoh.
What is the NSN for 407637?
407637 is cataloged in the U.S. Government catalog under NSN 5310-01-044-2897. This indicates validated use in U.S. government and defense supply chains.
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