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69387-12 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

69387-12: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OVERALL, hole_diameter: 0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN, heat_treatment: COLD ROLLED, hardness_rating: 23.0 ROCKWELL C MINIMUM, overall_diameter: 0.670 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN, special_features: 0.011 IN. MIN,0.013 IN.

MAX THICKNESS IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-019-1517, 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
69387-12
NSN: 5310-01-019-1517
FSC: 5310 — Nuts and Washers
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OVERALL
hole_diameter0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
heat_treatmentCOLD ROLLED
hardness_rating23.0 ROCKWELL C MINIMUM
overall_diameter0.670 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
special_features0.011 IN. MIN,0.013 IN. MAX THICKNESS IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-5059 1/4 H MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5517 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NSN5310-01-019-1517
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 69387-12 · 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
•
OVERALL DIAMETER: 0.670 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
•
HEAT TREATMENT: COLD ROLLED
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 1/4 H MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5517 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 301 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.670 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN
HEAT TREATMENTCOLD ROLLED
HARDNESS RATING23.0 ROCKWELL C MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 1/4 H MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5517 ASSN STD 2ND MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURES0.011 IN. MIN,0.013 IN. MAX THICKNESS IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 301 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.404 INCHES MINIMUM AND 0.408 INCHES MAXIMUM 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 69387-12?
69387-12 is a WASHER,FLAT.
What is the NSN for 69387-12?
69387-12 is cataloged in the U.S. Government catalog under NSN 5310-01-019-1517. This indicates validated use in U.S. government and defense supply chains.
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