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Technical Data Sheet
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92981A406 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

92981A406: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 9.0 MILLIMETERS NOMINAL MM, thread_length: 0.16 MILLIMETERS NOMINAL MM, fastener_length: 56.0 MILLIMETERS NOMINAL MM, hardness_rating: 32.0 ROCKWELL C NOMINAL OVERALL, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-661-5334, 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
92981A406
NSN: 5306-01-661-5334
FSC: 5306 — Bolts
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height9.0 MILLIMETERS NOMINAL MM
thread_length0.16 MILLIMETERS NOMINAL MM
fastener_length56.0 MILLIMETERS NOMINAL MM
hardness_rating32.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
head_major_diameter18.0 MILLIMETERS NOMINAL MM
width_between_flats6.0 MILLIMETERS NOMINAL MM
nominal_thread_diameter10.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.5
NSN5306-01-661-5334
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 92981A406 · 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
•
HEAD HEIGHT: 9.0 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 56.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.5
•
THREAD LENGTH: 0.16 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 32.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 10.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 6.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT9.0 MILLIMETERS NOMINAL MM
FASTENER LENGTH56.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.5
THREAD LENGTH0.16 MILLIMETERS NOMINAL MM
HARDNESS RATING32.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER10.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS6.0 MILLIMETERS NOMINAL MM
SURFACE TREATMENTOXIDE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
40025Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 92981A406?
92981A406 is a BOLT,SHOULDER.
What parts can replace 92981A406?
There is 1 known substitute for 92981A406: 40025. Substitute compatibility should be verified for your specific system.
What is the NSN for 92981A406?
92981A406 is cataloged in the U.S. Government catalog under NSN 5306-01-661-5334. 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.