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1309905-1 — NUT,SHEET SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1309905-1: NUT,SHEET SPRING.

The NUT,SHEET SPRING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SHEET SPRING, nut_width: 0.375 INCHES NOMINAL IN, nut_length: 0.562 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, material_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-676-8347, 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
1309905-1
NSN: 5310-00-676-8347
FSC: 5310 — Nuts and Washers
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSHEET SPRING
nut_width0.375 INCHES NOMINAL IN
nut_length0.562 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
material_thickness0.012 INCHES NOMINAL IN
NSN5310-00-676-8347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1309905-1 · 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
•
NUT WIDTH: 0.375 INCHES NOMINAL IN
•
NUT LENGTH: 0.562 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.012 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: SHEET SPRING
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NUT WIDTH0.375 INCHES NOMINAL IN
NUT LENGTH0.562 INCHES NOMINAL IN
MATERIAL THICKNESS0.012 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLESHEET SPRING
MATERIALSTEEL 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 2
C12004-012Reference document
Same NSN cross-reference
Reference document — Secondary reference
X12004-012Reference 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 1309905-1?
1309905-1 is a NUT,SHEET SPRING.
What parts can replace 1309905-1?
There are 2 known substitutes for 1309905-1: C12004-012, X12004-012. Substitute compatibility should be verified for your specific system.
What is the NSN for 1309905-1?
1309905-1 is cataloged in the U.S. Government catalog under NSN 5310-00-676-8347. 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.