PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8176257Wrench,open End

Us Army Aviation and Missile Command · NSN 5120-00-203-4792 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-203-4792 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-203-4792. Primary manufacturer part number: 8176257.
Features
  • Wrench,open End — FSC 5120
  • Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
  • Head Angle: 30.0 DEGREES NOMINAL
  • Torque Capacity: 2400.0 INCH-POUNDS MINIMUM IN
  • Style Designator: SINGLE HEAD
  • Surface Treatment: CHROMIUM OVERALL
  • Head Thickness: 0.312 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-203-4792, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 10 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
NSN5120-00-203-4792
Primary Part Number8176257
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Hardness Rating44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Head Angle30.0 DEGREES NOMINAL
Torque Capacity2400.0 INCH-POUNDS MINIMUM IN
Style DesignatorSINGLE HEAD
Surface TreatmentCHROMIUM OVERALL
Head Thickness0.312 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Wrenching Surface Size2.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9540-00-251-2597 INTERCHANGEABLE
Angle,structural
5330-00-291-8972103 INTERCHANGEABLE
Gasket
Vellumoid, Inc.
4730-00-360-852828080CS INTERCHANGEABLE
Strainer Element,sediment
Brinkley Technology Group Llc Dba Hercules Manufacturing
5330-00-507-243888007B INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
3110-00-554-5610365GAP INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5915-00-595-79372B389 INTERCHANGEABLE
Filter,band Pass
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
5330-00-641-507522580 INTERCHANGEABLE
Packing,preformed
L3harris Technologies, Inc. Div Space and Airborne Systems
3110-01-161-402613225001 INTERCHANGEABLE
Bearing,roller,cylindrical
Kaydon Corporation Dba Kaydon Corp
6515-01-229-2653280.80 INTERCHANGEABLE
Screw,hip Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5120-01-300-03315R7152 INTERCHANGEABLE
Wrench,open End
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
1272S Martin Sprocket and Gear Inc (USA)
8176257 PRIMARY Us Army Aviation and Missile Command (USA)
GGG-W-636 TY17CL3 General Services Administration Federal Supply Service (USA)
22580 Utica Tool Co Inc (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1353 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
28-080 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
28-080 Apex Tool Group, Llc Dba Nicholson (USA)
28-080 Armstrong Bros Tool Co (USA)
1272S Bonney Forge Corp (USA)
Related Parts
9540-00-251-2597INTERCHANGEABLE
ANGLE,STRUCTURAL
5330-00-291-8972INTERCHANGEABLE
GASKET
103
4730-00-360-8528INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
28080CS
5330-00-507-2438INTERCHANGEABLE
GASKET
88007B
3110-00-554-5610INTERCHANGEABLE
BEARING,BALL,ANNULAR
365GAP
5915-00-595-7937INTERCHANGEABLE
FILTER,BAND PASS
2B389
5330-00-641-5075INTERCHANGEABLE
PACKING,PREFORMED
22580
3110-01-161-4026INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
13225001
6515-01-229-2653INTERCHANGEABLE
SCREW,HIP PLATE
280.80
5120-01-300-0331INTERCHANGEABLE
WRENCH,OPEN END
5R7152
6515-01-461-8546INTERCHANGEABLE
SCREW,BONE
280.800
3020-01-471-1643INTERCHANGEABLE
GEAR,SPUR
28080

Frequently Asked Questions

What is NSN 5120-00-203-4792?

NSN 5120-00-203-4792 is a Wrench,open End, manufactured by Us Army Aviation and Missile Command, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-203-4792?

NSN 5120-00-203-4792 has 10 cross-referenced part numbers: 1272S (Martin Sprocket and Gear Inc), 8176257 (Us Army Aviation and Missile Command), GGG-W-636 TY17CL3 (General Services Administration Federal Supply Service), 22580 (Utica Tool Co Inc), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.

What NSN replaces 5120-00-203-4792?

There are 12 known substitutes for 5120-00-203-4792: 9540-00-251-2597, 5330-00-291-8972, 4730-00-360-8528 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8176257?

Key specifications for 8176257: Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Head Angle: 30.0 DEGREES NOMINAL; Torque Capacity: 2400.0 INCH-POUNDS MINIMUM IN; Style Designator: SINGLE HEAD. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-203-4792 still in active supply?

NSN 5120-00-203-4792 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.
PartsTable Design LLC · partstable.com