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072509-0126 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

072509-0126: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 4.0 MILLIMETERS NOMINAL MM, overall_height: 4.0 MILLIMETERS NOMINAL MM, overall_length: 10.0 MILLIMETERS NOMINAL MM, style_designator: PLAIN, material_document_and_classification: D1N 1652 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-419-4508, 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
072509-0126
NSN: 5315-01-419-4508
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 1X278 — INDUSTRIAL FLOW NORTH AMERICA LLC DIV LEWA AMERICA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width4.0 MILLIMETERS NOMINAL MM
overall_height4.0 MILLIMETERS NOMINAL MM
overall_length10.0 MILLIMETERS NOMINAL MM
style_designatorPLAIN
material_document_and_classificationD1N 1652 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-419-4508
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 072509-0126 · 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: D1N 1652 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIOND1N 1652 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH10.0 MILLIMETERS NOMINAL MM
OVERALL WIDTH4.0 MILLIMETERS NOMINAL MM
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 1
A4X4X10 DIN 6885Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 072509-0126?
072509-0126 is a KEY,MACHINE.
What parts can replace 072509-0126?
There is 1 known substitute for 072509-0126: A4X4X10 DIN 6885. Substitute compatibility should be verified for your specific system.
What is the NSN for 072509-0126?
072509-0126 is cataloged in the U.S. Government catalog under NSN 5315-01-419-4508. 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.