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HCF1755 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

HCF1755: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, prong_length: 2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN, opening_width: 1.000 INCHES NOMINAL IN, style_designator: LOCK, surface_treatment: PHOSPHATE ZINC OVERALL, wire_stock_diameter: 0.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-281-7745, 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
HCF1755
NSN: 5315-00-281-7745
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
prong_length2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
opening_width1.000 INCHES NOMINAL IN
style_designatorLOCK
surface_treatmentPHOSPHATE ZINC OVERALL
wire_stock_diameter0.120 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-P-16232 TY 2 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-281-7745
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: HCF1755 · 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
•
WIRE STOCK DIAMETER: 0.120 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232 TY 2 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: LOCK
•
OPENING WIDTH: 1.000 INCHES NOMINAL IN
•
PRONG LENGTH: 2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIRE STOCK DIAMETER0.120 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 TY 2 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORLOCK
OPENING WIDTH1.000 INCHES NOMINAL IN
PRONG LENGTH2.859 INCHES MINIMUM AND 2.891 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE ZINC OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
320619Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 HCF1755?
HCF1755 is a PIN,LOCK.
What parts can replace HCF1755?
There is 1 known substitute for HCF1755: 320619. Substitute compatibility should be verified for your specific system.
What is the NSN for HCF1755?
HCF1755 is cataloged in the U.S. Government catalog under NSN 5315-00-281-7745. 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.