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147C608H01 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

147C608H01: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FILLISTER, head_height: 0.260 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 1.500 INCHES NOMINAL IN, thread_length: 0.785 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-318-3286, 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
147C608H01
NSN: 5306-01-318-3286
FSC: 5306 — Bolts
CAGE: 48306 — NORTHROP GRUMMAN SUPPORT SERVICES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFILLISTER
head_height0.260 INCHES NOMINAL IN
thread_class2A A
head_diameter1.500 INCHES NOMINAL IN
thread_length0.785 INCHES NOMINAL IN
thread_seriesUNF COUNTERBORE
fastener_length2.120 INCHES NOMINAL IN
shoulder_length1.240 INCHES NOMINAL IN
style_designatorCOUNTERBORE THREADED
thread_directionRIGHT-HAND
threads_per_inch32 COUNTERBORE
NSN5306-01-318-3286
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 147C608H01 · 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: 0.260 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.120 INCHES NOMINAL IN
•
INTERNAL THREAD LENGTH: 0.250 INCHES NOMINAL COUNTERBORE IN
•
THREAD SERIES: UNF COUNTERBORE
•
CONCENTRIC HOLE DEPTH: 0.310 INCHES NOMINAL IN
•
INTERNAL THREAD DIRECTION: RIGHT-HAND COUNTERBORE
•
THREAD LENGTH: 0.785 INCHES NOMINAL IN
•
THREADS PER INCH: 32 COUNTERBORE
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.260 INCHES NOMINAL IN
FASTENER LENGTH2.120 INCHES NOMINAL IN
INTERNAL THREAD LENGTH0.250 INCHES NOMINAL COUNTERBORE IN
THREAD SERIESUNF COUNTERBORE
CONCENTRIC HOLE DEPTH0.310 INCHES NOMINAL IN
INTERNAL THREAD DIRECTIONRIGHT-HAND COUNTERBORE
THREAD LENGTH0.785 INCHES NOMINAL IN
THREADS PER INCH32 COUNTERBORE
STYLE DESIGNATORCOUNTERBORE THREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 COND. A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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
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FREQUENTLY ASKED QUESTIONS
What is 147C608H01?
147C608H01 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for 147C608H01?
147C608H01 is cataloged in the U.S. Government catalog under NSN 5306-01-318-3286. 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.