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5224173 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5224173: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OR STEEL COMP 1141 OVERALL, head_height: 0.950 INCHES NOMINAL IN, head_diameter: 1.219 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN, thread_length: 3.280 INCHES MAXIMUM IN, fastener_length: 4.800 INCHES NOMINAL IN, hardness_rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-568-0848, 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
5224173
NSN: 5306-00-568-0848
FSC: 5306 — Bolts
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OR STEEL COMP 1141 OVERALL
head_height0.950 INCHES NOMINAL IN
head_diameter1.219 INCHES MINIMUM AND 1.220 INCHES MAXIMUM IN
thread_length3.280 INCHES MAXIMUM IN
fastener_length4.800 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
askewed_head_angle11.0 DEGREES NOMINAL
nominal_thread_diameter1.125 INCHES IN
first_diameter_from_head0.940 INCHES NOMINAL IN
third_diameter_from_head0.935 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
thread_quantity_per_inch8
NSN5306-00-568-0848
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5224173 · 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: 0.950 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.800 INCHES NOMINAL IN
•
THREAD LENGTH: 3.280 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
CRITICALITY CODE JUSTIFICATION: AASL AND AAWE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.940 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 1.125 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.950 INCHES NOMINAL IN
FASTENER LENGTH4.800 INCHES NOMINAL IN
THREAD LENGTH3.280 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
CRITICALITY CODE JUSTIFICATIONAASL AND AAWE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.940 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER1.125 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD1.125 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5224173?
5224173 is a BOLT,EXTERNALLY RELIEVED BODY.
What is the NSN for 5224173?
5224173 is cataloged in the U.S. Government catalog under NSN 5306-00-568-0848. 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.