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Technical Data Sheet
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407 135 — WASHER,LOCK

✓ Government record, cited
Ricoh · NUT WASHER
PRODUCT OVERVIEW

407 135: WASHER,LOCK.

Ricoh Consumables Products will ensure maximum performance for all your Ricoh products. We manufacture a full range of high quality parts and supplies to work with exacting precision on our fine business machines. Parts & Supplies are planned to be available for 5 years after the products are discontinued.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-274-8686, 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
407 135
NSN: 5310-00-274-8686
NIINs: 002748686, 014429175
FSC: 5310 — Nuts and Washers
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
outside_diameter0.381 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentZINC OVERALL
material_thickness0.022 INCHES NOMINAL IN
nondefinitive_spec/std_dataA TYPE
departure_from_cited_documentAS MODIFIED BY SURFACE FINISH
NSN5310-00-274-8686
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 407 135 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.381 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY SURFACE FINISH
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.381 INCHES NOMINAL IN
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE FINISH
NONDEFINITIVE SPEC/STD DATAA TYPE
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
AN936A10Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 407 135?
407 135 is a WASHER,LOCK manufactured by Ricoh.
What parts can replace 407 135?
There is 1 known substitute for 407 135: AN936A10. Substitute compatibility should be verified for your specific system.
What is the NSN for 407 135?
407 135 is cataloged in the U.S. Government catalog under NSN 5310-00-274-8686. 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.