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99-028-125-0500 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

99-028-125-0500: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.125 INCHES NOMINAL IN, material: COPPER ALLOY 172 OVERALL, overall_length: 0.500 INCHES NOMINAL IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, material_thickness: 0.028 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-413-6044, 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
99-028-125-0500
NSN: 5315-00-413-6044
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
materialCOPPER ALLOY 172 OVERALL
overall_length0.500 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.028 INCHES NOMINAL IN
NSN5315-00-413-6044
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99-028-125-0500 · 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: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 172 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.028 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 172 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 99-028-125-0500?
99-028-125-0500 is a PIN,SPRING.
What is the NSN for 99-028-125-0500?
99-028-125-0500 is cataloged in the U.S. Government catalog under NSN 5315-00-413-6044. 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.