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Technical Data Sheet

217920 — Technical Data Sheet

✓ 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 ADJUSTER ASY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 0.375 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-273-5013, 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
217920
NSN: 5305-00-273-5013
FSC: 5305
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT CHAMFER
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length0.375 INCHES MINIMUM IN
surface_finish32.0 MICROINCHES THREADS
fastener_length0.375 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-273-5013
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 217920 · 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 CLASS: 3A A
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
MATERIAL: STEEL OVERALL
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATOR: UNF
INTERNAL DRIVE STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A A
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALSTEEL OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
FFS86Interchangeable
Same NIIN cross-reference
interchangeable
25AT0881Interchangeable
Adjuster Asy
interchangeable
7735589Interchangeable
Adjuster Asy
interchangeable
11C7087Interchangeable
Adjuster Asy
interchangeable
BB16006Interchangeable
Adjuster Asy
interchangeable
17-23-10Interchangeable
Adjuster Asy
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 217920?
217920 is a ADJUSTER ASY.
What parts can replace 217920?
There are 6 known substitutes for 217920: FFS86, 25AT0881, 7735589 and 3 more. Substitute compatibility should be verified for your specific system.
Is 217920 still available?
217920 is currently cancelled.
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