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8448521-2 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8448521-2: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, material: STEEL COMP 1074 OVERALL, overall_length: 0.257 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN, style_designator: SLOTTED, surface_treatment: PHOSPHATE OVERALL, material_thickness: 0.012 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-048-9372, 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
8448521-2
NSN: 5315-01-048-9372
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
diameter0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
materialSTEEL COMP 1074 OVERALL
overall_length0.257 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN
style_designatorSLOTTED
surface_treatmentPHOSPHATE OVERALL
material_thickness0.012 INCHES NOMINAL IN
NSN5315-01-048-9372
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8448521-2 · 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: SLOTTED
•
DIAMETER: 0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.012 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL COMP 1074 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSLOTTED
DIAMETER0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
OVERALL LENGTH0.257 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN
MATERIAL THICKNESS0.012 INCHES NOMINAL IN
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL COMP 1074 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 2
5315010489372Reference document
Same NSN cross-reference
Reference document — Informative reference only
F8447-000001Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 8448521-2?
8448521-2 is a PIN,SPRING.
What parts can replace 8448521-2?
There are 2 known substitutes for 8448521-2: 5315010489372, F8447-000001. Substitute compatibility should be verified for your specific system.
What is the NSN for 8448521-2?
8448521-2 is cataloged in the U.S. Government catalog under NSN 5315-01-048-9372. 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.