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401749 — PARTS KIT,PROPELLER BLADE,MARINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

401749: PARTS KIT,PROPELLER BLADE,MARINE.

PARTS KIT,PROPELLER BLADE,MARINE. Key specifications include special_features: SPECIALIZED TOOL-PROPELLER BLADE LIFTING FIXTURE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-559-6825, 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
401749
NSN: 5315-00-559-6825
NIINs: 005596825, 014876028
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
special_featuresSPECIALIZED TOOL-PROPELLER BLADE LIFTING FIXTURE
NSN5315-00-559-6825
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 401749 · 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
•
CHAMFER LENGTH: 0.020 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.770 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.290 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.020 INCHES NOMINAL IN
UNDER HEAD LENGTH0.770 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.290 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
HEAD STYLEFLAT
HEIGHT0.060 INCHES NOMINAL IN
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 401749?
401749 is a PARTS KIT,PROPELLER BLADE,MARINE.
What is the NSN for 401749?
401749 is cataloged in the U.S. Government catalog under NSN 5315-00-559-6825. 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.