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Technical Data Sheet
PartsTable / COMPONENT / 40-59-8-9
40-59-8-9 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.250 INCHES NOMINAL IN, head_style: PAN, body_height: 0.180 INCHES NOMINAL IN, body_length: 0.785 INCHES NOMINAL IN, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-954-0942, 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
40-59-8-9
NSN: 5305-00-954-0942
FSC: 5305
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
body_width0.250 INCHES NOMINAL IN
head_stylePAN
body_height0.180 INCHES NOMINAL IN
body_length0.785 INCHES NOMINAL IN
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.469 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedHERMETICALLY SEALED
NSN5305-00-954-0942
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40-59-8-9 · 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: 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 9C STYLE
•
THREAD QUANTITY PER INCH: 32
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 60000 POUNDS PER SQUARE INCH LBS
•
HEAD STYLE: PAN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 9C STYLE
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
HEAD STYLEPAN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES
THREAD LENGTH0.469 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
AN526-832-9Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
7849580P001Interchangeable
interchangeable cross-reference
interchangeable
405989Interchangeable
interchangeable cross-reference
interchangeable
9627DMQBInterchangeable
interchangeable cross-reference
interchangeable
5305PL0144656Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-59-8-9?
40-59-8-9 is a MICROCIRCUIT,DIGITAL.
What parts can replace 40-59-8-9?
There are 10 known substitutes for 40-59-8-9: AN526-832-9, FFS92, 7849580P001 and 7 more. Substitute compatibility should be verified for your specific system.
Is 40-59-8-9 still available?
40-59-8-9 is currently cancelled.
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Last verified: July 2026