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6525-10-803-1101 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6525-10-803-1101: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, hole_diameter: 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM, outside_diameter: 1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN, special_features: FOUR 0.070 IN. DIA HOLES DRILLED IN TABS IN, external_straight_key_width: 0.180 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-944-2599, 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
6525-10-803-1101
NSN: 5310-00-944-2599
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
hole_diameter1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
outside_diameter1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN
special_featuresFOUR 0.070 IN. DIA HOLES DRILLED IN TABS IN
external_key_quantity4
external_straight_key_width0.180 INCHES NOMINAL IN
external_straight_key_length0.380 INCHES NOMINAL IN
overall_distance_including_keys2.500 INCHES NOMINAL IN
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-944-2599
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6525-10-803-1101 · 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
•
EXTERNAL STRAIGHT KEY LENGTH: 0.380 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 2.500 INCHES NOMINAL IN
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.180 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 4
TECHNICAL CHARACTERISTICS
EXTERNAL STRAIGHT KEY LENGTH0.380 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS2.500 INCHES NOMINAL IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.700 INCHES MINIMUM AND 1.710 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.180 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY4
SPECIAL FEATURESFOUR 0.070 IN. DIA HOLES DRILLED IN TABS IN
MATERIALSTEEL COMP 4340 OVERALL
HOLE DIAMETER1.510 INCHES MINIMUM AND 1.520 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6525-10-803-1101?
6525-10-803-1101 is a WASHER,KEY.
What is the NSN for 6525-10-803-1101?
6525-10-803-1101 is cataloged in the U.S. Government catalog under NSN 5310-00-944-2599. This indicates validated use in U.S. government and defense supply chains.
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