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4065772CLF — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4065772CLF: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 201 OVERALL, thickness: 0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN, hole_diameter: 0.774 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES ALL SURFACES, overall_diameter: 1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-239-6400, 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
4065772CLF
NSN: 5310-01-239-6400
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 201 OVERALL
thickness0.085 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
hole_diameter0.774 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES ALL SURFACES
overall_diameter1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationF-100 PRATT& WHITNEY ENGINES & COMPONENTS, F-100-P-100
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS5553 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySPACER-RING
NSN5310-01-239-6400
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4065772CLF · 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: 63.0 MICROINCHES ALL SURFACES
•
OVERALL DIAMETER: 1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5553 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 201 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES ALL SURFACES
OVERALL DIAMETER1.070 INCHES MINIMUM AND 1.080 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5553 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYSPACER-RING
END ITEM IDENTIFICATIONF-100 PRATT& WHITNEY ENGINES & COMPONENTS, F-100-P-100
MATERIALSTEEL COMP 201 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.774 INCHES MINIMUM AND 0.784 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4065772CLF?
4065772CLF is a WASHER,FLAT.
What is the NSN for 4065772CLF?
4065772CLF is cataloged in the U.S. Government catalog under NSN 5310-01-239-6400. 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.