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5013681 — COVER,ELECTRICAL CONNECTOR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5013681: COVER,ELECTRICAL CONNECTOR.

The COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL OVERALL, head_style: TEE NO. 3, head_height: 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, head_length: 0.697 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5306-00-501-3681, 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
5013681
NSN: 5306-00-501-3681
NIINs: 005013681, 013213516
FSC: 5306 — Bolts
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8640 OR STEEL OVERALL
head_styleTEE NO. 3
head_height0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
head_length0.697 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
thread_class3A A
thread_length0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
fastener_length0.680 INCHES NOMINAL IN
hardness_rating50.0 ROCKWELL D MINIMUM AND 56.0 ROCKWELL D MAXIMUM OVERALL
overall_diameter0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
special_featuresUNTHREADED LENGTH 0.38 IN. DIA IN
style_designatorINTERNAL THREAD W/CHAIN OR ROPE
thread_directionRIGHT-HAND
NSN5306-00-501-3681
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5013681 · 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
•
HEAD HEIGHT: 0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.680 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232 TYPE M CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232 TYPE Z CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 ROCKWELL D MINIMUM AND 56.0 ROCKWELL D MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A-322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-331 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-322 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A-331 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A-322 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A-331 ASSN STD 3RD MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: TEE NO. 3
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
FASTENER LENGTH0.680 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 TYPE M CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-P-16232 TYPE Z CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
THREAD LENGTH0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL D MINIMUM AND 56.0 ROCKWELL D MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A-322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-331 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A-322 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A-331 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A-322 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A-331 ASSN STD 3RD MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLETEE NO. 3
THREAD DIRECTIONRIGHT-HAND
HEAD LENGTH0.697 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
5306PL1648621Reference document
Same NSN cross-reference
Reference document — Informative reference only
366-200-4468Reference document
Same NSN cross-reference
Reference document — Informative reference only
A10214Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10092991Reference document
Same NSN cross-reference
Reference document — Informative reference only
5306005013681Reference document
Same NSN cross-reference
Reference document — Informative reference only
201050006Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 5013681?
5013681 is a COVER,ELECTRICAL CONNECTOR.
What parts can replace 5013681?
There are 7 known substitutes for 5013681: 5306PL1648621, 366-200-4468, A10214 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5013681?
5013681 is cataloged in the U.S. Government catalog under NSN 5306-00-501-3681. 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.