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Technical Data Sheet
PartsTable / COMPONENT / LM204-41
LM204-41 ✓ 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 BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.380 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.240 INCHES MINIMUM IN, fastener_length: 9.190 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-857-2498, 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
LM204-41
NSN: 5306-00-857-2498
FSC: 5306
CAGE: 0UCY9 — M.S. AEROSPACE INC. DBA MS AEROSPACE INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.380 INCHES NOMINAL IN
thread_class3A A
thread_length1.240 INCHES MINIMUM IN
fastener_length9.190 INCHES NOMINAL IN
shoulder_length7.950 INCHES NOMINAL IN
style_designatorCONCENTRIC HOLE UNTHREADED
thread_directionRIGHT-HAND
shoulder_diameter0.747 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
width_between_flats1.060 INCHES NOMINAL IN
NSN5306-00-857-2498
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: LM204-41 · 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
•
THREAD SERIES DESIGNATOR: UNF
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
STYLE DESIGNATOR: CONCENTRIC HOLE UNTHREADED
•
THREAD QUANTITY PER INCH: 18
•
WIDTH BETWEEN FLATS: 1.060 INCHES NOMINAL IN
•
THREAD LENGTH: 1.240 INCHES MINIMUM IN
•
SHOULDER LENGTH: 7.950 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTCADMIUM OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD QUANTITY PER INCH18
WIDTH BETWEEN FLATS1.060 INCHES NOMINAL IN
THREAD LENGTH1.240 INCHES MINIMUM IN
SHOULDER LENGTH7.950 INCHES NOMINAL IN
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
02625Interchangeable
interchangeable cross-reference
interchangeable
201SInterchangeable
interchangeable cross-reference
interchangeable
JAN2N692AInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-19500/108Interchangeable
interchangeable cross-reference
interchangeable
J-7350-36Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LM204-41?
LM204-41 is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace LM204-41?
There are 5 known substitutes for LM204-41: 02625, 201S, JAN2N692A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LM204-41?
LM204-41 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-857-2498. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026