PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11655789-2Wrench,open End

Fnss Savunma Sistemleri Anonim Sirketi · NSN 5120-00-187-7126 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-187-7126 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-187-7126. Primary manufacturer part number: 11655789-2.
Features
  • Wrench,open End — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE
  • Style Designator: DOUBLE HEAD
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Wrenching Surface Shape: OVAL BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL FIRST END IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-187-7126, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Fnss Savunma Sistemleri Anonim Sirketi. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 35 commercial cross-references from 28 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-187-7126
Primary Part Number11655789-2
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFnss Savunma Sistemleri Anonim Sirketi
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE
Style DesignatorDOUBLE HEAD
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Wrenching Surface ShapeOVAL BOTH ENDS INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL FIRST END IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM
Specification/standard Data05047-ASME B107.100 CAT 39 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Small End Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Size0.625 INCHES NOMINAL SECOND END IN
Large End Head Angle15.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-193-7577105090-503 INTERCHANGEABLE
Washer,lock
Raytheon Company
5945-00-201-5284SKHX374 INTERCHANGEABLE
Relay,electromagnetic
Allied Controls, Inc.
5999-00-240-4323A1727 INTERCHANGEABLE
Contact,electrical
Grimes Aerospace Company
6625-00-345-80981727 INTERCHANGEABLE
Meter,null
General Microwave Corporation Div Kratos Microwave Electronics
3120-00-346-7246380138 INTERCHANGEABLE
Bushing,sleeve
Lockheed Martin Corp
4730-00-510-1306930904 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Eaton Aerospace, Llc Dba Jackson South
5985-00-563-940961120 INTERCHANGEABLE
Waveguide Assembly
Waveline Inc
3120-00-651-7288S1510-24492 INTERCHANGEABLE
Bushing,sleeve
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5950-00-906-3146E7.2 INTERCHANGEABLE
Transformer,power
Electric Boat Corporation Div General Dynamics Electric Boat
5330-00-963-2640 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
11655789-2 Fnss Savunma Sistemleri Anonim Sirketi (TUR)
1727 Bonney Forge Corp (USA)
N4559 Diamond Reo Truck Co (USA)
1727 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
11655789-2 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
726614 Wabco Construction and Mining Equipment Group Indianapolis Plant an American Standard Inc Co (USA)
26-079 Apex Tool Group, Llc Dba Nicholson (USA)
B107.39 The American Society of Mechanical Engineers (USA)
709 1909 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
S1820 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.100 CAT 39 TY1 General Services Administration Federal Supply Service (USA)
41W1005 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
S1820B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
1727 Martin Sprocket and Gear Inc (USA)
B107.100 CAT 39 TY1CL1 General Services Administration Federal Supply Service (USA)
A-A-1356 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
26-079 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
3030-500 The Stanley Works Dba Stanley Proto (USA)
1727 Williams J H Industrial Products Inc (USA)
61-120 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5310-00-193-7577INTERCHANGEABLE
WASHER,LOCK
105090-503
5945-00-201-5284INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SKHX374
5999-00-240-4323INTERCHANGEABLE
CONTACT,ELECTRICAL
A1727
6625-00-345-8098INTERCHANGEABLE
METER,NULL
1727
3120-00-346-7246INTERCHANGEABLE
BUSHING,SLEEVE
380138
4730-00-510-1306INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
930904
5985-00-563-9409INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
61120
3120-00-651-7288INTERCHANGEABLE
BUSHING,SLEEVE
S1510-24492
5950-00-906-3146INTERCHANGEABLE
TRANSFORMER,POWER
E7.2
5330-00-963-2640INTERCHANGEABLE
GASKET
3040-01-076-8035INTERCHANGEABLE
COLLAR,SHAFT
61120
9150-01-085-6036INTERCHANGEABLE
GREASE,WIRE ROPE-EXPOSED GEAR
61120

Frequently Asked Questions

What is NSN 5120-00-187-7126?

NSN 5120-00-187-7126 is a Wrench,open End, manufactured by Fnss Savunma Sistemleri Anonim Sirketi, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-187-7126?

NSN 5120-00-187-7126 has 35 cross-referenced part numbers: 11655789-2 (Fnss Savunma Sistemleri Anonim Sirketi), 1727 (Bonney Forge Corp), N4559 (Diamond Reo Truck Co), 1727 (Trw Inc Hand Tools Div Trw Industrial Products Group), 11655789-2 (U S Army Tank Automotive Command Amsta-Im-Mm) and 30 more.

What NSN replaces 5120-00-187-7126?

There are 12 known substitutes for 5120-00-187-7126: 5310-00-193-7577, 5945-00-201-5284, 5999-00-240-4323 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11655789-2?

Key specifications for 11655789-2: Surface Treatment: CHROMIUM OVERALL; Nondefinitive Spec/std Data: 1 TYPE; Style Designator: DOUBLE HEAD; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-187-7126 still in active supply?

NSN 5120-00-187-7126 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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