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HDGHD56-31 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HDGHD56-31: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_treatment: ZINC OVERALL, part_name_assigned_by_controlling_agency: HEAVY HEX STRUCTURAL SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-694-4711, 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
HDGHD56-31
NSN: 5306-01-694-4711
FSC: 5306 — Bolts
CAGE: 1LMB9 — LEJEUNE BOLT CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_treatmentZINC OVERALL
part_name_assigned_by_controlling_agencyHEAVY HEX STRUCTURAL SHOULDER
NSN5306-01-694-4711
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HDGHD56-31 · 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
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBOLT, CONNECTION, STRUCTURAL SHOULDER, STEEL, A325, GALV, 3/4" X 3.25", WASHER AND NUT NUT 3/4-10 X 3 1/4 F3125 A325-1 HDG HEAVY HEX STRUCTURAL SHOULDER PRODUCT HOT CIP ZINC PER ASTM A153 CLASS C FONTANA GRUPPO IS OEM FONTANA GRUPPO OWNED BY ACUMENT GLOBAL
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYHEAVY HEX STRUCTURAL SHOULDER
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
S004079Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 HDGHD56-31?
HDGHD56-31 is a BOLT,SHOULDER.
What parts can replace HDGHD56-31?
There is 1 known substitute for HDGHD56-31: S004079. Substitute compatibility should be verified for your specific system.
What is the NSN for HDGHD56-31?
HDGHD56-31 is cataloged in the U.S. Government catalog under NSN 5306-01-694-4711. 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.