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7D3-04544-73 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7D3-04544-73: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, overall_length: 1.750 INCHES NOMINAL IN, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL, special_features: OVERALL LENGTH 1.750, style_designator: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-435-6364, 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
7D3-04544-73
NSN: 5315-01-435-6364
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 34712 — LAKE SHORE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
overall_length1.750 INCHES NOMINAL IN
hardness_rating35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
special_featuresOVERALL LENGTH 1.750
style_designatorPLAIN
NSN5315-01-435-6364
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7D3-04544-73 · 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
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: STEEL COMP 416 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORPLAIN
OVERALL LENGTH1.750 INCHES NOMINAL IN
SPECIAL FEATURESOVERALL LENGTH 1.750
MATERIALSTEEL COMP 416 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7D3-04544-73?
7D3-04544-73 is a KEY,MACHINE.
What is the NSN for 7D3-04544-73?
7D3-04544-73 is cataloged in the U.S. Government catalog under NSN 5315-01-435-6364. 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.