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803-6397408-PC201 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

803-6397408-PC201: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, overall_width: 0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, overall_height: 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, overall_length: 0.625 INCHES NOMINAL IN, style_designator: PLAIN, material_document_and_classification: ASTM B164 UNS N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-393-4262, 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
803-6397408-PC201
NSN: 5315-01-393-4262
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
overall_width0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
overall_height0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
overall_length0.625 INCHES NOMINAL IN
style_designatorPLAIN
material_document_and_classificationASTM B164 UNS N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-393-4262
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 803-6397408-PC201 · 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
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B164 UNS N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY 400 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 UNS N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.625 INCHES NOMINAL IN
OVERALL WIDTH0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY 400 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 803-6397408-PC201?
803-6397408-PC201 is a KEY,MACHINE.
What is the NSN for 803-6397408-PC201?
803-6397408-PC201 is cataloged in the U.S. Government catalog under NSN 5315-01-393-4262. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.