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8171037 — BOLT,BALL HEADED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8171037: BOLT,BALL HEADED.

The BOLT,BALL HEADED is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STAINLESS STEEL BAR,ARMCO STEEL 17-4PH COND.A,PASSIVATE,4.750 IN. LG,0.625 DIA HEAD,0.312-24UNF THD,2A THD CLASS A.

This part is cataloged in the U.S. Government catalog under NSN 5306-00-561-7902, 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
8171037
NSN: 5306-00-561-7902
FSC: 5306 — Bolts
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTAINLESS STEEL BAR,ARMCO STEEL 17-4PH COND.A,PASSIVATE,4.750 IN. LG,0.625 DIA HEAD,0.312-24UNF THD,2A THD CLASS A
NSN5306-00-561-7902
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8171037 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL BAR,ARMCO STEEL 17-4PH COND.A,PASSIVATE,4.750 IN. LG,0.625 DIA HEAD,0.312-24UNF THD,2A THD CLASS A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL BAR,ARMCO STEEL 17-4PH COND.A,PASSIVATE,4.750 IN. LG,0.625 DIA HEAD,0.312-24UNF THD,2A THD CLASS A
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 8171037?
8171037 is a BOLT,BALL HEADED.
What is the NSN for 8171037?
8171037 is cataloged in the U.S. Government catalog under NSN 5306-00-561-7902. 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.