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26800313 — WASHER,KEYWAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

26800313: WASHER,KEYWAY.

The WASHER,KEYWAY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OVERALL, hole_diameter: 0.752 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES BOTTOM, outside_diameter: 2.000 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.150 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-295-4765, 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
26800313
NSN: 5310-01-295-4765
FSC: 5310 — Nuts and Washers
CAGE: 51298 — OPTEX SYSTEMS, INC DIV APPLIED OPTICS CENTER (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
hole_diameter0.752 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES BOTTOM
outside_diameter2.000 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.150 INCHES NOMINAL IN
internal_keyway_width0.502 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
internal_keyway_quantity2
material_document_and_classificationQQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
distance_from_centerline_to_bottom_of_internal_keyway0.640 INCHES NOMINAL IN
NSN5310-01-295-4765
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 26800313 · 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
•
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY: 0.640 INCHES NOMINAL IN
•
INTERNAL KEYWAY WIDTH: 0.502 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
•
SURFACE FINISH: 32.0 MICROINCHES BOTTOM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
INTERNAL KEYWAY QUANTITY: 2
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO BOTTOM OF INTERNAL KEYWAY0.640 INCHES NOMINAL IN
INTERNAL KEYWAY WIDTH0.502 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES BOTTOM
SURFACE FINISH32.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
INTERNAL KEYWAY QUANTITY2
MATERIAL THICKNESS0.150 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
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 1
9240-004-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 26800313?
26800313 is a WASHER,KEYWAY.
What parts can replace 26800313?
There is 1 known substitute for 26800313: 9240-004-14. Substitute compatibility should be verified for your specific system.
What is the NSN for 26800313?
26800313 is cataloged in the U.S. Government catalog under NSN 5310-01-295-4765. This indicates validated use in U.S. government and defense supply chains.
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