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5210216 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5210216: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 4130 OVERALL, overall_width: 1.750 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN, overall_height: 1.625 INCHES NOMINAL IN, overall_length: 5.930 INCHES NOMINAL IN, hardness_rating: 37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-412-7545, 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
5210216
NSN: 5315-01-412-7545
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 4130 OVERALL
overall_width1.750 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN
overall_height1.625 INCHES NOMINAL IN
overall_length5.930 INCHES NOMINAL IN
hardness_rating37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
material_document_and_classificationMIL-S-16974 MIL SPEC 1ST MATERIAL RESPONSE OR ISI 4130 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-412-7545
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5210216 · 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: 37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16974 MIL SPEC 1ST MATERIAL RESPONSE OR ISI 4130 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.625 INCHES NOMINAL IN
HARDNESS RATING37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16974 MIL SPEC 1ST MATERIAL RESPONSE OR ISI 4130 FED STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH5.930 INCHES NOMINAL IN
OVERALL WIDTH1.750 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4140 OR STEEL COMP 4130 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

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 5210216?
5210216 is a KEY,MACHINE.
What is the NSN for 5210216?
5210216 is cataloged in the U.S. Government catalog under NSN 5315-01-412-7545. This indicates validated use in U.S. government and defense supply chains.
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