PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J1618AWrench,open End

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-355-1707 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-355-1707 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-355-1707. Primary manufacturer part number: J1618A.
Features
  • Wrench,open End — FSC 5120
  • Large End Head Angle: 15.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.250 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Size: 0.281 INCHES NOMINAL SECOND END IN
  • Material: STEEL OVERALL
  • Small End Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-01-355-1707, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-355-1707
Primary Part NumberJ1618A
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Large End Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.250 INCHES NOMINAL FIRST END IN
Wrenching Surface Size0.281 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Style DesignatorDOUBLE HEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4030-00-912-5520J1618 INTERCHANGEABLE
Protector,guy
Joslyn Corp
5985-01-205-2685 INTERCHANGEABLE
Coupler,antenna
Cross-Reference Index
Part NumberManufacturer
J1618A PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
J1618 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
4030-00-912-5520INTERCHANGEABLE
PROTECTOR,GUY
J1618
5985-01-205-2685INTERCHANGEABLE
COUPLER,ANTENNA

Frequently Asked Questions

What is NSN 5120-01-355-1707?

NSN 5120-01-355-1707 is a Wrench,open End, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-355-1707?

NSN 5120-01-355-1707 has 2 cross-referenced part numbers: J1618A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), J1618 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-355-1707?

There are 2 known substitutes for 5120-01-355-1707: 4030-00-912-5520, 5985-01-205-2685. Verify interchangeability with system specifications before substitution.

What are the specifications of J1618A?

Key specifications for J1618A: Large End Head Angle: 15.0 DEGREES NOMINAL; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Size: 0.250 INCHES NOMINAL FIRST END IN; Wrenching Surface Size: 0.281 INCHES NOMINAL SECOND END IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-355-1707 still in active supply?

NSN 5120-01-355-1707 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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