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Technical Data Sheet
PartsTable / COMPONENT / MS21208F6-15
MS21208F6-15 ✓ 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 INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.562 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 0.448 IN MIN 0.468 INMAX IN, thread_length: 0.750 INCHES NOMINAL IN, style_designator: COIL, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-291-3492, 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
MS21208F6-15
NSN: 5325-00-291-3492
FSC: 5325
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
length0.562 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size0.448 IN MIN 0.468 INMAX IN
thread_length0.750 INCHES NOMINAL IN
style_designatorCOIL
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.438 INCHES IN
thread_pitch_diameters+0.4050 TO 0.4091 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5325-00-291-3492
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS21208F6-15 · 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 QUANTITY PER INCH: 24
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
INSERT SIZE: 0.448 IN MIN 0.468 INMAX IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD PITCH DIAMETERS: +0.4050 TO 0.4091 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
SURFACE TREATMENTPASSIVATE OVERALL
INSERT SIZE0.448 IN MIN 0.468 INMAX IN
THREAD SERIES DESIGNATORUNF
THREAD LENGTH0.750 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD PITCH DIAMETERS+0.4050 TO 0.4091 INCHES IN
LENGTH0.562 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.438 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
81116Interchangeable
interchangeable cross-reference
interchangeable
55651Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187794Interchangeable
interchangeable cross-reference
interchangeable
JP1191LInterchangeable
interchangeable cross-reference
interchangeable
100106-2Interchangeable
interchangeable cross-reference
interchangeable
AEA9617AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21208F6-15?
MS21208F6-15 is a INSERT,SCREW THREAD.
What parts can replace MS21208F6-15?
There are 15 known substitutes for MS21208F6-15: 81116, 55651, SM-B-187794 and 12 more. Substitute compatibility should be verified for your specific system.
Is MS21208F6-15 still available?
MS21208F6-15 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