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1690677 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1690677: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.265 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: RECTANGULAR KEY, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.020 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-323-2310, 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
1690677
NSN: 5310-01-323-2310
FSC: 5310 — Nuts and Washers
CAGE: 4U884 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.265 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
style_designatorRECTANGULAR KEY
surface_treatmentPASSIVATE OVERALL
material_thickness0.020 INCHES NOMINAL IN
external_prebent_key_width0.088 INCHES NOMINAL IN
overall_distance_including_keys0.770 INCHES NOMINAL IN
material_document_and_classificationQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
distance_from_centerline_to_end_of_longest_key0.385 INCHES NOMINAL IN
NSN5310-01-323-2310
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1690677 · 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 END OF LONGEST KEY: 0.385 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 0.770 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO END OF LONGEST KEY0.385 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DISTANCE INCLUDING KEYS0.770 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR KEY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
EXTERNAL PREBENT KEY WIDTH0.088 INCHES NOMINAL IN
MATERIALSTEEL COMP 302 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1690677?
1690677 is a WASHER,KEY.
What is the NSN for 1690677?
1690677 is cataloged in the U.S. Government catalog under NSN 5310-01-323-2310. 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.