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12975772 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12975772: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.163 INCHES NOMINAL IN, point_style: FLAT, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-467-4391, 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
12975772
NSN: 5306-01-467-4391
FSC: 5306 — Bolts
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_typeDRILLED
head_styleFLAT CHAMFER
head_height0.163 INCHES NOMINAL IN
point_styleFLAT
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
hole_diameter0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
hole_quantity1
thread_length0.217 INCHES NOMINAL IN
fastener_length0.307 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5306-01-467-4391
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12975772 · 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: 0.163 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.307 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.217 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.100 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.163 INCHES NOMINAL IN
FASTENER LENGTH0.307 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A967 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.217 INCHES NOMINAL IN
HOLE CONFIGURATION STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.100 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFLAT CHAMFER
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
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FREQUENTLY ASKED QUESTIONS
What is 12975772?
12975772 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 12975772?
12975772 is cataloged in the U.S. Government catalog under NSN 5306-01-467-4391. This indicates validated use in U.S. government and defense supply chains.
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