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S3923-187 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S3923-187: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN, overall_height: 0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN, overall_length: 0.187 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-032-3722, 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
S3923-187
NSN: 5315-01-032-3722
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 12511 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
overall_height0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
overall_length0.187 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
style_designatorPLAIN
surface_treatmentOXIDE OVERALL
starting_edge_shapeSTRAIGHT
surface_treatment_document_and_classificationMIL-C-13924,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-032-3722
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S3923-187 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM OVERALL
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
OVERALL LENGTH0.187 INCHES NOMINAL IN
OVERALL WIDTH0.0620 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
SURFACE TREATMENTOXIDE OVERALL
MATERIALSTEEL 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S3923-187?
S3923-187 is a KEY,MACHINE.
What is the NSN for S3923-187?
S3923-187 is cataloged in the U.S. Government catalog under NSN 5315-01-032-3722. This indicates validated use in U.S. government and defense supply chains.
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