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312-0391-020 — ROD,CONTINUOUS THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

312-0391-020: ROD,CONTINUOUS THREAD.

The ROD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 48.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_quantity_per_inch: 18 LOCATION NOT OTHERWISE SPECIFIED, thread_series_designator: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-245-5239, 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
312-0391-020
NSN: 5306-00-245-5239
FSC: 5306 — Bolts
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length48.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch18 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
NSN5306-00-245-5239
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 312-0391-020 · 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 DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 18 LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
OVERALL LENGTH48.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH18 LOCATION NOT OTHERWISE SPECIFIED
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
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
EH55M1-5-16-18Same 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 312-0391-020?
312-0391-020 is a ROD,CONTINUOUS THREAD.
What parts can replace 312-0391-020?
There is 1 known substitute for 312-0391-020: EH55M1-5-16-18. Substitute compatibility should be verified for your specific system.
What is the NSN for 312-0391-020?
312-0391-020 is cataloged in the U.S. Government catalog under NSN 5306-00-245-5239. 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.