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10116556 — LOCKNUT,ELECTRICAL CONDUIT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

10116556: LOCKNUT,ELECTRICAL CONDUIT.

The LOCKNUT,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include radius: 0.340 INCHES NOMINAL IN, material: ALUMINUM, drive_type: SPANNER, thread_size: NONE, thread_type: STRAIGHT, hole_diameter: 0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-107-7402, 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
10116556
NSN: 5310-00-107-7402
NIINs: 001077402, 005814370
FSC: 5310 — Nuts and Washers
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
radius0.340 INCHES NOMINAL IN
materialALUMINUM
drive_typeSPANNER
thread_sizeNONE
thread_typeSTRAIGHT
hole_diameter0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
heat_treatmentAS FABRICATED
outside_diameter1.125 INCHES NOMINAL IN
style_designatorCONCAVE
overall_thickness0.213 INCHES NOMINAL IN
surface_treatmentNICKEL
material_thickness0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NSN5310-00-107-7402
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10116556 · 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
•
RADIUS: 0.340 INCHES NOMINAL IN
•
HEAT TREATMENT: AS FABRICATED
•
STYLE DESIGNATOR: CONCAVE
•
OUTSIDE DIAMETER: 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RADIUS0.340 INCHES NOMINAL IN
HEAT TREATMENTAS FABRICATED
STYLE DESIGNATORCONCAVE
OUTSIDE DIAMETER0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
MATERIAL THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.407 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
SW2000-10WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M683-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10116556?
10116556 is a LOCKNUT,ELECTRICAL CONDUIT.
What parts can replace 10116556?
There are 2 known substitutes for 10116556: SW2000-10W, ST3M683-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 10116556?
10116556 is cataloged in the U.S. Government catalog under NSN 5310-00-107-7402. 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.