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1039120-10 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1039120-10: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, outside_diameter: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, external_prebent_key_width: 0.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-209-4136, 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
1039120-10
NSN: 5310-00-209-4136
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
outside_diameter0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
external_prebent_key_width0.100 INCHES NOMINAL IN
external_prebent_key_length0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
overall_distance_including_keys0.420 INCHES NOMINAL IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_inside_of_prebent_key0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
NSN5310-00-209-4136
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1039120-10 · 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 INSIDE OF PREBENT KEY: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY LENGTH: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 0.420 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
EXTERNAL PREBENT KEY WIDTH: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY LENGTH0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS0.420 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
MATERIAL THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY WIDTH0.100 INCHES NOMINAL IN
MATERIALSTEEL COMP 304 OVERALL
HOLE DIAMETER0.193 INCHES MINIMUM AND 0.213 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 1
1039120PC10Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1039120-10?
1039120-10 is a WASHER,KEY.
What parts can replace 1039120-10?
There is 1 known substitute for 1039120-10: 1039120PC10. Substitute compatibility should be verified for your specific system.
What is the NSN for 1039120-10?
1039120-10 is cataloged in the U.S. Government catalog under NSN 5310-00-209-4136. 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.