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651170 — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

651170: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 4.0 MILLIMETERS NOMINAL MM, material: STEEL CORROSION RESISTING OVERALL, overall_length: 30.0 MILLIMETERS NOMINAL MM, style_designator: COILED, end_item_identification: HG60G BALLAST WATER TREATMENT SET, part_name_assigned_by_controlling_agency: COILED PIN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-661-6544, 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
651170
NSN: 5315-01-661-6544
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 29899 — CALGON CARBON UV TECHNOLOGIES LLC DBA HYDE MARINE (USA)
SPECIFICATIONS
diameter4.0 MILLIMETERS NOMINAL MM
materialSTEEL CORROSION RESISTING OVERALL
overall_length30.0 MILLIMETERS NOMINAL MM
style_designatorCOILED
end_item_identificationHG60G BALLAST WATER TREATMENT SET
part_name_assigned_by_controlling_agencyCOILED PIN
NSN5315-01-661-6544
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 651170 · 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: COILED
•
DIAMETER: 4.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCOILED
DIAMETER4.0 MILLIMETERS NOMINAL MM
OVERALL LENGTH30.0 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYCOILED PIN
END ITEM IDENTIFICATIONHG60G BALLAST WATER TREATMENT SET
MATERIALSTEEL CORROSION RESISTING 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 651170?
651170 is a PIN,SPRING.
What is the NSN for 651170?
651170 is cataloged in the U.S. Government catalog under NSN 5315-01-661-6544. 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.