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BA20924 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BA20924: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, heat_treatment: ANNEALED, outside_diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-111-5833, 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
BA20924
NSN: 5310-00-111-5833
FSC: 5310 — Nuts and Washers
CAGE: K0680 — ROLLS-ROYCE AIRLINES (GBR)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
heat_treatmentANNEALED
outside_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
external_key_quantity4
external_straight_key_width0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
overall_distance_including_keys0.805 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
NSN5310-00-111-5833
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BA20924 · 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
•
OVERALL DISTANCE INCLUDING KEYS: 0.805 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
•
HEAT TREATMENT: ANNEALED
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 4
•
MATERIAL: STEEL COMP 302 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DISTANCE INCLUDING KEYS0.805 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
HEAT TREATMENTANNEALED
STYLE DESIGNATORKEY
OUTSIDE DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
MATERIAL THICKNESS0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY4
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.490 INCHES MINIMUM AND 0.510 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
6864828Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BA20924?
BA20924 is a WASHER,KEY.
What parts can replace BA20924?
There is 1 known substitute for BA20924: 6864828. Substitute compatibility should be verified for your specific system.
What is the NSN for BA20924?
BA20924 is cataloged in the U.S. Government catalog under NSN 5310-00-111-5833. 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.