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Technical Data Sheet
PartsTable / COMPONENT / 161818
161818 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, head_diameter: 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN, overall_length: 2.000 INCHES NOMINAL IN, shell_material: COPPER ALLOY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-081-6794, 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
161818
NSN: 5305-00-081-6794
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
head_diameter0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
overall_length2.000 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
fastener_length0.375 INCHES NOMINAL IN
insert_materialPLASTIC SINGLE MATING END
overall_diameter0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentCADMIUM OR ZINC OVERALL
NSN5305-00-081-6794
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 161818 · 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 DIAMETER: 0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.151 INCHES IN
•
MATERIAL: STEEL OVERALL
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.281 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NONMACHINE NOMINAL THREAD DIAMETER0.151 INCHES IN
MATERIALSTEEL OVERALL
FASTENER LENGTH0.375 INCHES NOMINAL IN
HEAD HEIGHT0.096 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
FF-S-107CInterchangeable
interchangeable cross-reference
interchangeable
80X658Interchangeable
interchangeable cross-reference
interchangeable
143189Interchangeable
interchangeable cross-reference
interchangeable
FFS107TYPECSSTYLE6SInterchangeable
interchangeable cross-reference
interchangeable
172046Interchangeable
interchangeable cross-reference
interchangeable
FFS107Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 161818?
161818 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 161818?
There are 18 known substitutes for 161818: FF-S-107C, 80X658, 143189 and 15 more. Substitute compatibility should be verified for your specific system.
Is 161818 still available?
161818 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026