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32166222 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

32166222: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.433 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.260 INCHES NOMINAL IN, fastener_length: 5.058 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-303-3898, 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
32166222
NSN: 5306-01-303-3898
FSC: 5306 — Bolts
CAGE: 13446 — PERKINS ENGINES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.433 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN
thread_class3A A
thread_length1.260 INCHES NOMINAL IN
fastener_length5.058 INCHES MINIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentPHOSPHATE OVERALL
width_between_flats0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
extended_washer_diameter1.011 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
NSN5306-01-303-3898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 32166222 · 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
•
EXTENDED WASHER THICKNESS: 0.102 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.433 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.058 INCHES MINIMUM IN
•
EXTENDED WASHER DIAMETER: 1.011 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.260 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.102 INCHES NOMINAL IN
HEAD HEIGHT0.433 INCHES MINIMUM AND 0.457 INCHES MAXIMUM IN
FASTENER LENGTH5.058 INCHES MINIMUM IN
EXTENDED WASHER DIAMETER1.011 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
THREAD LENGTH1.260 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
1476-243-X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 32166222?
32166222 is a BOLT,MACHINE.
What parts can replace 32166222?
There is 1 known substitute for 32166222: 1476-243-X1. Substitute compatibility should be verified for your specific system.
What is the NSN for 32166222?
32166222 is cataloged in the U.S. Government catalog under NSN 5306-01-303-3898. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.