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731475-4 — KEY,LOCKING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

731475-4: KEY,LOCKING.

The KEY,LOCKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-151-6214, 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
731475-4
NSN: 5315-01-151-6214
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number731475-4
NSN5315-01-151-6214
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 731475-4 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CAST STEEL;4.500 IN. LG;2.750 IN. H;3.437 IN.W; 1.125 IN. H X 0.500 IN. THK MOUNTING PLATE W/2 0.531 IN. DIA HOLES 3.551 IN. C TO C; CTR EXTENSION 1.50 IN. W X 2.937 IN. LG;EXTENSION IS S-SHAPED W/2 0.750 IN. RADIUS CURVES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCAST STEEL;4.500 IN. LG;2.750 IN. H;3.437 IN.W; 1.125 IN. H X 0.500 IN. THK MOUNTING PLATE W/2 0.531 IN. DIA HOLES 3.551 IN. C TO C; CTR EXTENSION 1.50 IN. W X 2.937 IN. LG;EXTENSION IS S-SHAPED W/2 0.750 IN. RADIUS CURVES 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 1
731475Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 731475-4?
731475-4 is a KEY,LOCKING.
What parts can replace 731475-4?
There is 1 known substitute for 731475-4: 731475. Substitute compatibility should be verified for your specific system.
What is the NSN for 731475-4?
731475-4 is cataloged in the U.S. Government catalog under NSN 5315-01-151-6214. This indicates validated use in U.S. government and defense supply chains.
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