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128578 — KEY,MACHINE

✓ Government record, cited
Equip · NUT WASHER
PRODUCT OVERVIEW

128578: KEY,MACHINE.

The KEY,MACHINE is a Equip industrial component. Key specifications include material: STEEL COMP 303 OVERALL, overall_width: 0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, overall_height: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN, overall_length: 0.250 INCHES NOMINAL IN, style_designator: PLAIN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-048-3707, 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
128578
NSN: 5315-01-048-3707
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
overall_width0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
overall_height0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
overall_length0.250 INCHES NOMINAL IN
style_designatorPLAIN
surface_treatmentPASSIVATE OVERALL
starting_edge_shapeROUND
starting_edge_radius0.062 INCHES NOMINAL IN
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-048-3707
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128578 · Equip ⚠ 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
•
STARTING EDGE SHAPE: ROUND
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STARTING EDGE RADIUS: 0.062 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
STARTING EDGE SHAPEROUND
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.250 INCHES NOMINAL IN
OVERALL WIDTH0.062 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
STARTING EDGE RADIUS0.062 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128578?
128578 is a KEY,MACHINE manufactured by Equip.
What is the NSN for 128578?
128578 is cataloged in the U.S. Government catalog under NSN 5315-01-048-3707. This indicates validated use in U.S. government and defense supply chains.
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