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Technical Data Sheet
PartsTable / COMPONENT / 161526
161526 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 8740 OVERALL, body_style: STRAIGHT SHAPE, head_style: HEXAGON, shell_type: SOLID, grip_length: 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, head_height: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-341-8659, 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
161526
NSN: 5306-00-341-8659
FSC: 5306
CAGE: 55213 — AIRCRAFT COMPONENTS AND FASTENERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
body_styleSTRAIGHT SHAPE
head_styleHEXAGON
shell_typeSOLID
grip_length0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
head_height0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
thread_class3A A
overall_width0.610 INCHES MAXIMUM IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_length0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
overall_height0.700 INCHES MAXIMUM IN
overall_length1.750 INCHES NOMINAL IN
NSN5306-00-341-8659
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 161526 · 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: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD CLASS: 3A A
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
THREAD LENGTH0.815 INCHES MINIMUM AND 0.895 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD CLASS3A A
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
GRIP LENGTH0.240 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
SURFACE FINISH63.0 MICROINCHES BEARING SURFACE OF HEAD
MATERIALSTEEL COMP 8740 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
329930Interchangeable
interchangeable cross-reference
interchangeable
1251-0143Interchangeable
interchangeable cross-reference
interchangeable
57-40140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 161526?
161526 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 161526?
There are 3 known substitutes for 161526: 329930, 1251-0143, 57-40140. Substitute compatibility should be verified for your specific system.
Is 161526 still available?
161526 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