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142-7503 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

142-7503: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include end_item_identification: MULTI TERRAIN LOADER; 3805-01-539-3925, part_name_assigned_by_controlling_agency: LAMP,GP-STOP AND TAIL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-456-2600, 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
142-7503
NSN: 5315-00-456-2600
NIINs: 004562600, 015483692
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0EXU3 — AQUA-CHEM, INC. DBA AQUA-CHEM INC (USA)
SPECIFICATIONS
end_item_identificationMULTI TERRAIN LOADER; 3805-01-539-3925
part_name_assigned_by_controlling_agencyLAMP,GP-STOP AND TAIL
NSN5315-00-456-2600
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 142-7503 · 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
•
KEY CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
STARTING EDGE SHAPE: CHAMFERED
•
STYLE DESIGNATOR: PLAIN
•
KEY CHAMFER LENGTH: 0.062 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.312 INCHES NOMINAL IN
KEY CHAMFER ANGLE45.0 DEGREES NOMINAL
STARTING EDGE SHAPECHAMFERED
STYLE DESIGNATORPLAIN
OVERALL LENGTH1.312 INCHES NOMINAL IN
OVERALL WIDTH0.312 INCHES NOMINAL IN
KEY CHAMFER LENGTH0.062 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 142-7503?
142-7503 is a KEY,MACHINE.
What is the NSN for 142-7503?
142-7503 is cataloged in the U.S. Government catalog under NSN 5315-00-456-2600. 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.