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BULL1B121301PC12 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BULL1B121301PC12: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: UNDERCUT HEXAGON, head_height: 0.094 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.250 INCHES NOMINAL IN, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-586-3971, 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
BULL1B121301PC12
NSN: 5306-00-586-3971
FSC: 5306 — Bolts
CAGE: 24821 — ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleUNDERCUT HEXAGON
head_height0.094 INCHES NOMINAL IN
thread_class3A A
thread_length0.250 INCHES NOMINAL IN
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
width_between_flats0.313 INCHES NOMINAL IN
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
NSN5306-00-586-3971
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BULL1B121301PC12 · 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: 0.094 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: UNDERCUT HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.313 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.094 INCHES NOMINAL IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEUNDERCUT HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.313 INCHES NOMINAL IN
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 1
170956Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BULL1B121301PC12?
BULL1B121301PC12 is a BOLT,MACHINE.
What parts can replace BULL1B121301PC12?
There is 1 known substitute for BULL1B121301PC12: 170956. Substitute compatibility should be verified for your specific system.
What is the NSN for BULL1B121301PC12?
BULL1B121301PC12 is cataloged in the U.S. Government catalog under NSN 5306-00-586-3971. 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.