PartsTable
Technical Data Sheet
Download PDF

3B41741A03 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3B41741A03: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1022 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN, fastener_length: 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-069-0490, 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
3B41741A03
NSN: 5306-01-069-0490
FSC: 5306 — Bolts
CAGE: 31211 — MOTOROLA AUTOMOTIVE ELECTRONICS (USA)
SPECIFICATIONS
materialSTEEL COMP 1022 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
thread_class2A A
thread_length0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
fastener_length3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
NSN5306-01-069-0490
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3B41741A03 · 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: 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 10S8518-20 FSCM 31211 MFR REF 1ST TREATMENT RESPONSE AND 125440027 FSCM 31211 MFR REF 2ND TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
HEAD HEIGHT0.160 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
FASTENER LENGTH3.110 INCHES MINIMUM AND 3.140 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION10S8518-20 FSCM 31211 MFR REF 1ST TREATMENT RESPONSE AND 125440027 FSCM 31211 MFR REF 2ND TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
THREAD LENGTH0.735 INCHES MINIMUM AND 0.795 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 3B41741A03?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 3B41741A03?
3B41741A03 is a BOLT,MACHINE.
What is the NSN for 3B41741A03?
3B41741A03 is cataloged in the U.S. Government catalog under NSN 5306-01-069-0490. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 3B41741A03

✓ 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.