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B424-845 — WASHER,SHOULDERED AND RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B424-845: WASHER,SHOULDERED AND RECESSED.

The WASHER,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, hole_diameter: 0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN, shoulder_height: 0.298 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN, style_designator: SHOULDERED AND RECESSED, material_thickness: 0.064 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-308-3550, 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
B424-845
NSN: 5310-00-308-3550
FSC: 5310 — Nuts and Washers
CAGE: 72314 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
hole_diameter0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
shoulder_height0.298 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
material_thickness0.064 INCHES NOMINAL IN
NSN5310-00-308-3550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B424-845 · 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
•
SHOULDER HEIGHT: 0.298 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.064 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM OVERALL
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.298 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED AND RECESSED
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.064 INCHES NOMINAL IN
MATERIALALUMINUM OVERALL
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.259 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

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 B424-845?
B424-845 is a WASHER,SHOULDERED AND RECESSED.
What is the NSN for B424-845?
B424-845 is cataloged in the U.S. Government catalog under NSN 5310-00-308-3550. 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.