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1C5611P05 — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1C5611P05: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OVERALL, head_style: HEXAGON, head_height: 0.890 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN, thread_class: 3B, thread_length: 0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN, fastener_length: 0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-182-5184, 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
1C5611P05
NSN: 5306-00-182-5184
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
head_styleHEXAGON
head_height0.890 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
thread_class3B
thread_length0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
fastener_length0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
style_designatorCONCENTRIC HOLE THREADED
thread_directionRIGHT-HAND
width_between_flats0.488 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
concentric_hole_depth0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-00-182-5184
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1C5611P05 · 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: 0.890 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
•
CONCENTRIC HOLE DEPTH: 0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: CONCENTRIC HOLE THREADED
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.890 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
FASTENER LENGTH0.890 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
CONCENTRIC HOLE DEPTH0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
THREAD LENGTH0.520 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORCONCENTRIC HOLE THREADED
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.488 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
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 1C5611P05?
1C5611P05 is a BOLT,INTERNALLY RELIEVED BODY.
What is the NSN for 1C5611P05?
1C5611P05 is cataloged in the U.S. Government catalog under NSN 5306-00-182-5184. 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.