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4059947 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4059947: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_diameter: 0.096 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN, outside_diameter: 0.115 INCHES NOMINAL IN, special_features: KEY IS BENT & IRREG SHAPED HOLE IS RECESSED, style_designator: KEY, material_thickness: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-316-7084, 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
4059947
NSN: 5310-01-316-7084
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hole_diameter0.096 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
outside_diameter0.115 INCHES NOMINAL IN
special_featuresKEY IS BENT & IRREG SHAPED HOLE IS RECESSED
style_designatorKEY
material_thickness0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
peening_key_length0.925 INCHES NOMINAL IN
external_key_quantity2
external_straight_key_width0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
external_straight_key_length0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
overall_distance_including_keys1.980 INCHES NOMINAL IN
NSN5310-01-316-7084
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4059947 · 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: 0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.980 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 0.115 INCHES NOMINAL IN
•
PEENING KEY LENGTH: 0.925 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
EXTERNAL STRAIGHT KEY LENGTH0.860 INCHES MINIMUM AND 0.870 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.980 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER0.115 INCHES NOMINAL IN
PEENING KEY LENGTH0.925 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY2
SPECIAL FEATURESKEY IS BENT & IRREG SHAPED HOLE IS RECESSED
MATERIALNICKEL ALLOY 718 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
5310PL0750075Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4059947?
4059947 is a WASHER,KEY.
What parts can replace 4059947?
There is 1 known substitute for 4059947: 5310PL0750075. Substitute compatibility should be verified for your specific system.
What is the NSN for 4059947?
4059947 is cataloged in the U.S. Government catalog under NSN 5310-01-316-7084. 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.