PartsTable
Technical Data Sheet
Download PDF

2155-6S — BOLT,INTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2155-6S: BOLT,INTERNALLY RELIEVED BODY.

The BOLT,INTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: HEXAGON, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.219 INCHES MAXIMUM IN, fastener_length: 0.313 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-914-1072, 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
2155-6S
NSN: 5306-00-914-1072
FSC: 5306 — Bolts
CAGE: 41387 — SIEMENS INDUSTRY, INC. DBA SIEMENS ENERGY DIV PROCESS INDUSTRIES AND DRIVES (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleHEXAGON
head_height0.250 INCHES NOMINAL IN
thread_class3A A
thread_length0.219 INCHES MAXIMUM IN
fastener_length0.313 INCHES MAXIMUM IN
style_designatorCOUNTERBORE UNTHREADED
thread_directionRIGHT-HAND
counterbore_depth0.250 INCHES NOMINAL IN
surface_treatmentNICKEL OVERALL
width_between_flats0.750 INCHES NOMINAL IN
counterbore_diameter0.219 INCHES NOMINAL IN
NSN5306-00-914-1072
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2155-6S · 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: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.313 INCHES MAXIMUM IN
•
CONCENTRIC HOLE DEPTH: 0.313 INCHES NOMINAL IN
•
THREAD LENGTH: 0.219 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: COUNTERBORE UNTHREADED
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
COUNTERBORE DEPTH: 0.250 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH0.313 INCHES MAXIMUM IN
CONCENTRIC HOLE DEPTH0.313 INCHES NOMINAL IN
THREAD LENGTH0.219 INCHES MAXIMUM IN
STYLE DESIGNATORCOUNTERBORE UNTHREADED
NOMINAL THREAD DIAMETER0.562 INCHES IN
COUNTERBORE DEPTH0.250 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
COUNTERBORE DIAMETER0.219 INCHES NOMINAL IN
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
8003-2SPCL.Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 2155-6S?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2155-6S?
2155-6S is a BOLT,INTERNALLY RELIEVED BODY.
What parts can replace 2155-6S?
There is 1 known substitute for 2155-6S: 8003-2SPCL.. Substitute compatibility should be verified for your specific system.
What is the NSN for 2155-6S?
2155-6S is cataloged in the U.S. Government catalog under NSN 5306-00-914-1072. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2155-6S

✓ 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.