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42277C346 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

42277C346: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, overall_width: 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN, overall_height: 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN, overall_length: 0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-073-2976, 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
42277C346
NSN: 5315-01-073-2976
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 82402 — TRIUMPH GEAR SYSTEMS INC DBA TRIUMPH GEAR SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
overall_width0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
overall_height0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
overall_length0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-073-2976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 42277C346 · 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
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 4140 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN
OVERALL WIDTH0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4140 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
42277-346Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 42277C346?
42277C346 is a KEY,MACHINE.
What parts can replace 42277C346?
There is 1 known substitute for 42277C346: 42277-346. Substitute compatibility should be verified for your specific system.
What is the NSN for 42277C346?
42277C346 is cataloged in the U.S. Government catalog under NSN 5315-01-073-2976. This indicates validated use in U.S. government and defense supply chains.
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