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PartsTable / COMPONENT / NAS70-261-750
NAS70-261-750 ✓ 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: STEEL OVERALL, thickness: 0.063 INCHES NOMINAL IN, hole_diameter: 0.256 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN, overall_diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-282-9098, 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
NAS70-261-750
NSN: 5310-00-282-9098
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.063 INCHES NOMINAL IN
hole_diameter0.256 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
overall_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-282-9098
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS70-261-750 · 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
•
HOLE DIAMETER: 0.256 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OVERALL DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.063 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.271 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.063 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
936095Interchangeable
interchangeable cross-reference
interchangeable
SP1018Interchangeable
interchangeable cross-reference
interchangeable
AD0P07AH/883BInterchangeable
interchangeable cross-reference
interchangeable
328-075528-053Interchangeable
Same NIIN cross-reference
interchangeable
5310PL0919880Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS70-261-750?
NAS70-261-750 is a WASHER,FLAT.
What parts can replace NAS70-261-750?
There are 5 known substitutes for NAS70-261-750: 936095, SP1018, AD0P07AH/883B and 2 more. Substitute compatibility should be verified for your specific system.
Is NAS70-261-750 still available?
NAS70-261-750 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026