PartsTable
Technical Data Sheet
Download PDF

12927421 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12927421: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.430 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.700 INCHES NOMINAL IN, fastener_length: 1.480 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-330-3155, 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
12927421
NSN: 5306-01-330-3155
FSC: 5306 — Bolts
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.430 INCHES NOMINAL IN
thread_class2A A
thread_length0.700 INCHES NOMINAL IN
fastener_length1.480 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.750 INCHES NOMINAL IN
end_item_identification12927423
nominal_thread_diameter0.750 INCHES IN
extended_washer_diameter1.020 INCHES NOMINAL IN
NSN5306-01-330-3155
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12927421 · 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
•
EXTENDED WASHER THICKNESS: 0.130 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.430 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.480 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 1.020 INCHES NOMINAL IN
•
THREAD LENGTH: 0.700 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276,TYPE 302,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.620 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.130 INCHES NOMINAL IN
HEAD HEIGHT0.430 INCHES NOMINAL IN
FASTENER LENGTH1.480 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER1.020 INCHES NOMINAL IN
THREAD LENGTH0.700 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276,TYPE 302,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.620 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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
Ready to buy 12927421?
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 12927421?
12927421 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 12927421?
12927421 is cataloged in the U.S. Government catalog under NSN 5306-01-330-3155. 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 — 12927421

✓ 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.