PartsTable
Technical Data Sheet
Download PDF

S56218-12 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S56218-12: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.625 INCHES NOMINAL IN, slot_depth: 0.230 INCHES NOMINAL IN, slot_width: 0.291 INCHES NOMINAL IN, insert_size: 13/16-12 IN. UN CLASS 2A A, pilot_diameter: 0.739 INCHES NOMINAL IN, style_designator: SLOTTED.

This part is cataloged in the U.S. Government catalog under NSN 5325-01-035-4120, 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
S56218-12
NSN: 5325-01-035-4120
FSC: 5325 — Fastening Devices
CAGE: 73957 — GROOV-PIN CORP (USA)
SPECIFICATIONS
length0.625 INCHES NOMINAL IN
slot_depth0.230 INCHES NOMINAL IN
slot_width0.291 INCHES NOMINAL IN
insert_size13/16-12 IN. UN CLASS 2A A
pilot_diameter0.739 INCHES NOMINAL IN
style_designatorSLOTTED
features_providedINDIVIDUALLY KEYED
surface_treatmentCADMIUM OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-035-4120
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S56218-12 · 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
•
LENGTH: 0.625 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
INSERT SIZE: 13/16-12 IN. UN CLASS 2A A
•
STYLE DESIGNATOR: SLOTTED
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
PILOT DIAMETER: 0.739 INCHES NOMINAL IN
•
SLOT DEPTH: 0.230 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.625 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
INSERT SIZE13/16-12 IN. UN CLASS 2A A
STYLE DESIGNATORSLOTTED
FEATURES PROVIDEDINDIVIDUALLY KEYED
PILOT DIAMETER0.739 INCHES NOMINAL IN
SLOT DEPTH0.230 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SLOT WIDTH0.291 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy S56218-12?
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 S56218-12?
S56218-12 is a INSERT,SCREW THREAD.
What is the NSN for S56218-12?
S56218-12 is cataloged in the U.S. Government catalog under NSN 5325-01-035-4120. 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 — S56218-12

✓ 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.