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10303331 — LEAD ASSEMBLY,ELECTRICAL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10303331: LEAD ASSEMBLY,ELECTRICAL.

The LEAD ASSEMBLY,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR ALL CONDUCTORS, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-047-6344, 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
10303331
NSN: 5305-01-047-6344
NIINs: 010476344, 014378368
FSC: 5305 — Screws
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialCOPPER CORE CONDUCTOR ALL CONDUCTORS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.461 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.076 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
shoulder_length0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN
conductor_length13.000 INCHES NOMINAL ALL CONDUCTORS IN
special_featuresINTERNAL HEXAGON SOCKET 0.127 IN. MIN AND 0.130 IN. MAX WIDTH ACROSS FLATS,0.160 IN. DEEP IN THREAD END IN
termination_typeLUG TERMINAL W/MOUNTING HOLE FIRST END ALL CONDUCTORS
thread_directionRIGHT-HAND
NSN5305-01-047-6344
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10303331 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FASTENER LENGTH: 1.076 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.076 INCHES MINIMUM AND 1.123 INCHES MAXIMUM IN
SHOULDER LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 3
ST3M506-5-10Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
HT4011-5-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11919-5-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10303331?
10303331 is a LEAD ASSEMBLY,ELECTRICAL.
What parts can replace 10303331?
There are 3 known substitutes for 10303331: ST3M506-5-10, HT4011-5-10, 11919-5-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 10303331?
10303331 is cataloged in the U.S. Government catalog under NSN 5305-01-047-6344. 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.