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34D297 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

34D297: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include width: 0.770 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN, surface_finish: 50.0 MICROINCHES BOTTOM, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-932-8047, 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
34D297
NSN: 5310-00-932-8047
FSC: 5310 — Nuts and Washers
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)
SPECIFICATIONS
width0.770 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN
surface_finish50.0 MICROINCHES BOTTOM
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
overall_diameter0.860 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleDEE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-932-8047
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34D297 · 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 FINISH: 50.0 MICROINCHES TOP
•
OVERALL DIAMETER: 0.860 INCHES NOMINAL IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: DEE
•
WIDTH: 0.770 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH50.0 MICROINCHES TOP
SURFACE FINISH50.0 MICROINCHES BOTTOM
OVERALL DIAMETER0.860 INCHES NOMINAL IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEDEE
WIDTH0.770 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
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 34D297?
34D297 is a WASHER,FLAT.
What is the NSN for 34D297?
34D297 is cataloged in the U.S. Government catalog under NSN 5310-00-932-8047. This indicates validated use in U.S. government and defense supply chains.
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