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2B9373 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2B9373: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 6.363 MILLIMETERS NOMINAL MM, key_height: 7.620 MILLIMETERS NOMINAL MM, circle_diameter: 18.920 MILLIMETERS NOMINAL MM, style_designator: FLAT BOTTOM, starting_edge_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-189-7672, 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
2B9373
NSN: 5315-01-189-7672
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness6.363 MILLIMETERS NOMINAL MM
key_height7.620 MILLIMETERS NOMINAL MM
circle_diameter18.920 MILLIMETERS NOMINAL MM
style_designatorFLAT BOTTOM
starting_edge_shapeSTRAIGHT
key_size_designationWOODRUFF 91
material_document_and_classification1E352,FSC-11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-189-7672
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2B9373 · 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
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: FLAT BOTTOM
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E352,FSC-11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CIRCLE DIAMETER: 18.920 MILLIMETERS NOMINAL MM
•
KEY HEIGHT: 7.620 MILLIMETERS NOMINAL MM
•
KEY SIZE DESIGNATION: WOODRUFF 91
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 6.363 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORFLAT BOTTOM
MATERIAL DOCUMENT AND CLASSIFICATION1E352,FSC-11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CIRCLE DIAMETER18.920 MILLIMETERS NOMINAL MM
KEY HEIGHT7.620 MILLIMETERS NOMINAL MM
KEY SIZE DESIGNATIONWOODRUFF 91
MATERIALSTEEL OVERALL
THICKNESS6.363 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 2B9373?
2B9373 is a KEY,WOODRUFF.
What is the NSN for 2B9373?
2B9373 is cataloged in the U.S. Government catalog under NSN 5315-01-189-7672. 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.