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1867990 — KEY,WOODRUFF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1867990: KEY,WOODRUFF.

The KEY,WOODRUFF is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.250 INCHES NOMINAL IN, key_height: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN, circle_diameter: 1.125 INCHES NOMINAL IN, hardness_rating: 90.0 ROCKWELL B MINIMUM OVERALL, style_designator: ROUND BOTTOM. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-672-1513, 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
1867990
NSN: 5315-01-672-1513
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.250 INCHES NOMINAL IN
key_height0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
circle_diameter1.125 INCHES NOMINAL IN
hardness_rating90.0 ROCKWELL B MINIMUM OVERALL
style_designatorROUND BOTTOM
end_item_identificationMRAP - M-ATV
NSN5315-01-672-1513
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1867990 · 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
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM OVERALL
•
STYLE DESIGNATOR: ROUND BOTTOM
•
CIRCLE DIAMETER: 1.125 INCHES NOMINAL IN
•
KEY HEIGHT: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
THICKNESS: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING90.0 ROCKWELL B MINIMUM OVERALL
STYLE DESIGNATORROUND BOTTOM
CIRCLE DIAMETER1.125 INCHES NOMINAL IN
KEY HEIGHT0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMRAP - M-ATV
MATERIALSTEEL OVERALL
THICKNESS0.250 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1867990?
1867990 is a KEY,WOODRUFF.
What is the NSN for 1867990?
1867990 is cataloged in the U.S. Government catalog under NSN 5315-01-672-1513. 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.