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Technical Data Sheet
PartsTable / COMPONENT / 541-9729-003
541-9729-003 ✓ 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 SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.412 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN, thread_length: 0.266 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-060-9543, 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
541-9729-003
NSN: 5305-00-060-9543
FSC: 5305
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.412 INCHES NOMINAL IN
thread_class2A A
head_diameter0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
thread_length0.266 INCHES MINIMUM IN
fastener_length1.843 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
fifth_diameter_from_head0.139 INCHES MINIMUM AND 0.149 INCHES MAXIMUM IN
NSN5305-00-060-9543
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 541-9729-003 · 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
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD DIAMETER: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
•
THREAD CLASS: 2A A
•
THIRD DIAMETER FROM HEAD: 0.125 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
FASTENER LENGTH: 1.843 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 0.963 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLESLOT
HEAD DIAMETER0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN
THREAD CLASS2A A
THIRD DIAMETER FROM HEAD0.125 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
FASTENER LENGTH1.843 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.963 INCHES NOMINAL IN
HEAD HEIGHT0.412 INCHES NOMINAL IN
THREAD LENGTH0.266 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2086Interchangeable
interchangeable cross-reference
interchangeable
6002-600Interchangeable
interchangeable cross-reference
interchangeable
02086Interchangeable
interchangeable cross-reference
interchangeable
12301091Interchangeable
interchangeable cross-reference
interchangeable
EP451Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 541-9729-003?
541-9729-003 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 541-9729-003?
There are 5 known substitutes for 541-9729-003: 2086, 6002-600, 02086 and 2 more. Substitute compatibility should be verified for your specific system.
Is 541-9729-003 still available?
541-9729-003 is currently cancelled.
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Last verified: July 2026