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7707617 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7707617: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OVERALL, hole_diameter: 1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN, hardness_rating: 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, outside_diameter: 1.688 INCHES NOMINAL IN, material_thickness: 0.089 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, external_keyway_width: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-770-7617, 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
7707617
NSN: 5310-00-770-7617
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OVERALL
hole_diameter1.183 INCHES MINIMUM AND 1.193 INCHES MAXIMUM IN
hardness_rating42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
outside_diameter1.688 INCHES NOMINAL IN
material_thickness0.089 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
external_keyway_width0.156 INCHES NOMINAL IN
internal_key_quantity2
internal_straight_key_width0.141 INCHES NOMINAL IN
material_document_and_classificationASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-770-7617
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7707617 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.141 INCHES NOMINAL IN
•
EXTERNAL KEYWAY WIDTH: 0.156 INCHES NOMINAL IN
•
HARDNESS RATING: 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.688 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.089 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1070 OVERALL
•
INTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.141 INCHES NOMINAL IN
EXTERNAL KEYWAY WIDTH0.156 INCHES NOMINAL IN
HARDNESS RATING42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.688 INCHES NOMINAL IN
MATERIAL THICKNESS0.089 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1070 OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER1.183 INCHES MINIMUM AND 1.193 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7707617?
7707617 is a WASHER,KEY.
What is the NSN for 7707617?
7707617 is cataloged in the U.S. Government catalog under NSN 5310-00-770-7617. 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.