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7416478 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7416478: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include length: 0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN, material: STEEL OVERALL, thickness: 0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN, hole_diameter: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, surface_treatment: PHOSPHATE OR ZINC OVERALL, width_across_flats: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-741-6478, 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
7416478
NSN: 5310-00-741-6478
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
materialSTEEL OVERALL
thickness0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN
hole_diameter0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OR ZINC OVERALL
width_across_flats0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
peripheral_shape_styleRECTANGULAR
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-741-6478
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7416478 · 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
•
WIDTH ACROSS FLATS: 0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
•
LENGTH: 0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PHOSPHATE OR ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
LENGTH0.930 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPHOSPHATE OR ZINC OVERALL
PERIPHERAL SHAPE STYLERECTANGULAR
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
THICKNESS0.0498 INCHES MINIMUM AND 0.0698 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
805842Reference document
Same NSN cross-reference
Reference document — Secondary reference
FF-W-92 CLASSAReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7416478?
7416478 is a WASHER,FLAT.
What parts can replace 7416478?
There are 2 known substitutes for 7416478: 805842, FF-W-92 CLASSA. Substitute compatibility should be verified for your specific system.
What is the NSN for 7416478?
7416478 is cataloged in the U.S. Government catalog under NSN 5310-00-741-6478. 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.