PartsTable
Technical Data Sheet
P1766 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, thickness: 0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN, hole_diameter: 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN, overall_diameter: 0.177 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, special_features: CHAMFER BOTH SIDES, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-741-7590, 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
P1766
NSN: 5310-00-741-7590
FSC: 5310
CAGE: 73267 — PARKER MACHINE WORKS (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
thickness0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
hole_diameter0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
overall_diameter0.177 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
special_featuresCHAMFER BOTH SIDES
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationHELICOPTER, UTILITY/SEARCH AND RECOVERY UH-1N,AIRCRAFT, VIKING S-3B,AIRCRAFT, EAGLE F-15,AIRCRAFT, TOMCAT F-14
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationHH-P-96 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-741-7590
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P1766 · 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
MATERIAL: COPPER ALLOY 11 OVERALL
THICKNESS: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
HOLE DIAMETER: 0.1835 INCHES MINIMUM AND 0.2035 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 11 OVERALL
THICKNESS0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
SPECIAL FEATURESCHAMFER BOTH SIDES
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.1835 INCHES MINIMUM AND 0.2035 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
B107.19 TY5STAInterchangeable
interchangeable cross-reference
interchangeable
160396Interchangeable
interchangeable cross-reference
interchangeable
130300Interchangeable
interchangeable cross-reference
interchangeable
9-14081Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
27145S2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P1766?
P1766 is a WASHER,FLAT.
What parts can replace P1766?
There are 12 known substitutes for P1766: B107.19 TY5STA, 160396, 130300 and 9 more. Substitute compatibility should be verified for your specific system.
Is P1766 still available?
P1766 is currently cancelled.
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