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3N-250 PIECE 140 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3N-250 PIECE 140: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OVERALL, overall_width: 0.1875 INCHES NOMINAL IN, overall_height: 0.1875 INCHES NOMINAL IN, overall_length: 2.50 INCHES NOMINAL IN, special_features: 3/16" X 3/16" X 2-1/2" LONG 1045 STL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-181-7369, 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
3N-250 PIECE 140
NSN: 5315-01-181-7369
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 54370 — ALFA LAVAL INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 OVERALL
overall_width0.1875 INCHES NOMINAL IN
overall_height0.1875 INCHES NOMINAL IN
overall_length2.50 INCHES NOMINAL IN
special_features3/16" X 3/16" X 2-1/2" LONG 1045 STL
NSN5315-01-181-7369
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3N-250 PIECE 140 · 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
•
MATERIAL: STEEL COMP 1045 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.1875 INCHES NOMINAL IN
OVERALL LENGTH2.50 INCHES NOMINAL IN
OVERALL WIDTH0.1875 INCHES NOMINAL IN
SPECIAL FEATURES3/16" X 3/16" X 2-1/2" LONG 1045 STL
MATERIALSTEEL COMP 1045 OVERALL
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 1
W-D2478-50Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3N-250 PIECE 140?
3N-250 PIECE 140 is a KEY,MACHINE.
What parts can replace 3N-250 PIECE 140?
There is 1 known substitute for 3N-250 PIECE 140: W-D2478-50. Substitute compatibility should be verified for your specific system.
What is the NSN for 3N-250 PIECE 140?
3N-250 PIECE 140 is cataloged in the U.S. Government catalog under NSN 5315-01-181-7369. This indicates validated use in U.S. government and defense supply chains.
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