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385287 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

385287: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.175 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, hole_diameter: 1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN, overall_height: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, outside_diameter: 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN, special_features: TWO INTERNAL PREBENT KEYS 180 DEG APART 0.190 IN. LG IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-769-4646, 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
385287
NSN: 5310-00-769-4646
NIINs: 007694646, 007744577
FSC: 5310 — Nuts and Washers
CAGE: 33615 — ENJET AERO MANCHESTER LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.175 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
hole_diameter1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
overall_height0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
outside_diameter1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN
special_featuresTWO INTERNAL PREBENT KEYS 180 DEG APART 0.190 IN. LG IN
style_designatorRECESSED
material_thickness0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-769-4646
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 385287 · 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
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.175 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN
RECESS DEPTH0.175 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
MATERIAL THICKNESS0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
SPECIAL FEATURESTWO INTERNAL PREBENT KEYS 180 DEG APART 0.190 IN. LG IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.040 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 385287?
385287 is a WASHER,RECESSED.
What is the NSN for 385287?
385287 is cataloged in the U.S. Government catalog under NSN 5310-00-769-4646. 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.