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9AY8403 — WRENCH,OPEN END

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9AY8403: WRENCH,OPEN END.

The WRENCH,OPEN END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, style_designator: SINGLE HEAD, wrenching_surface_size: 1.125 INCHES NOMINAL SINGLE END IN, part_name_assigned_by_controlling_agency: WRENCH, AC DISCONNECT, 1 1/8. This part is cataloged in the U.S.

Government catalog under NSN 5120-01-656-3521, 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
9AY8403
NSN: 5120-01-656-3521
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 50079 — TEXTRON SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
style_designatorSINGLE HEAD
wrenching_surface_size1.125 INCHES NOMINAL SINGLE END IN
part_name_assigned_by_controlling_agencyWRENCH, AC DISCONNECT, 1 1/8
NSN5120-01-656-3521
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WRENCH,OPEN END TITLE COMPONENT PN 9AY8403 MFR WRENCH,OPEN END
KEY FEATURES
•
WRENCHING SURFACE SIZE: 1.125 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: SINGLE HEAD
•
MATERIAL: STEEL COMP 4140 OVERALL
TECHNICAL CHARACTERISTICS
WRENCHING SURFACE SIZE1.125 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATORSINGLE HEAD
PART NAME ASSIGNED BY CONTROLLING AGENCYWRENCH, AC DISCONNECT, 1 1/8
MATERIALSTEEL COMP 4140 OVERALL
OTHER ITEMS IN FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642 5120-00-001-2644 5120-00-001-2650 5120-00-001-2651 5120-00-001-2652 5120-00-001-2653 5120-00-001-2654 5120-00-001-2655
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 9AY8403?
9AY8403 is a WRENCH,OPEN END.
What is the NSN for 9AY8403?
9AY8403 is cataloged in the U.S. Government catalog under NSN 5120-01-656-3521. 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.