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2447139 — BOLT,INTERNAL WRENCHING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2447139: BOLT,INTERNAL WRENCHING.

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include hole_type: DRILLED, head_style: BEVEL-CONICAL, head_height: 0.343 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, hole_diameter: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-550-4394, 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
2447139
NSN: 5306-00-550-4394
FSC: 5306 — Bolts
CAGE: 18355 — THE BOEING COMPANY (USA)
SPECIFICATIONS
hole_typeDRILLED
head_styleBEVEL-CONICAL
head_height0.343 INCHES NOMINAL IN
thread_class3A A
head_diameter0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
hole_diameter0.062 INCHES NOMINAL IN
hole_quantity6
thread_length1.188 INCHES MINIMUM IN
fastener_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_across_flats0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5306-00-550-4394
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2447139 · 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
•
WIDTH ACROSS FLATS: 0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.343 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
THREAD LENGTH: 1.188 INCHES MINIMUM IN
•
HOLE CONFIGURATION STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-6183 CL 1 GRADE MEDIUM MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: BEVEL-CONICAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
HEAD HEIGHT0.343 INCHES NOMINAL IN
FASTENER LENGTH2.500 INCHES NOMINAL IN
THREAD LENGTH1.188 INCHES MINIMUM IN
HOLE CONFIGURATION STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-6183 CL 1 GRADE MEDIUM MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEBEVEL-CONICAL
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLEHEXAGON
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
NAS146DH-40Same 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 2447139?
2447139 is a BOLT,INTERNAL WRENCHING.
What parts can replace 2447139?
There is 1 known substitute for 2447139: NAS146DH-40. Substitute compatibility should be verified for your specific system.
What is the NSN for 2447139?
2447139 is cataloged in the U.S. Government catalog under NSN 5306-00-550-4394. 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.