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A-5445 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A-5445: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, material: STEEL COMP 420 OVERALL, overall_length: 3.000 INCHES NOMINAL IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, surface_treatment: OIL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-067-9592, 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
A-5445
NSN: 5315-01-067-9592
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
diameter0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
materialSTEEL COMP 420 OVERALL
overall_length3.000 INCHES NOMINAL IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentOIL OVERALL
NSN5315-01-067-9592
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-5445 · 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: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
DIAMETER: 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
SURFACE TREATMENT: OIL OVERALL
•
MATERIAL: STEEL COMP 420 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSLOTTED
DIAMETER0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
SURFACE TREATMENTOIL OVERALL
MATERIALSTEEL COMP 420 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
5447-50048Reference document
Same NSN cross-reference
Reference document — Secondary reference
5447-18720Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 A-5445?
A-5445 is a PIN,SPRING.
What parts can replace A-5445?
There are 2 known substitutes for A-5445: 5447-50048, 5447-18720. Substitute compatibility should be verified for your specific system.
What is the NSN for A-5445?
A-5445 is cataloged in the U.S. Government catalog under NSN 5315-01-067-9592. 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.