PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15AWrench,open End

Martin Sprocket and Gear Inc · NSN 5120-00-081-9085 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-081-9085 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-081-9085. Primary manufacturer part number: 15A.
Features
  • Wrench,open End — FSC 5120
  • Style Designator: SINGLE HEAD
  • Wrenching Surface Size: 2.625 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM AND OXIDE OVERALL
  • Material: STEEL OVERALL
  • Head Thickness: 1.250 INCHES MAXIMUM IN
  • Head Angle: 15.0 DEGREES NOMINAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-081-9085, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Martin Sprocket and Gear Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-081-9085
Primary Part Number15A
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerMartin Sprocket and Gear Inc
StatusCANCELLED
Style DesignatorSINGLE HEAD
Wrenching Surface Size2.625 INCHES NOMINAL SINGLE END IN
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Surface TreatmentCHROMIUM AND OXIDE OVERALL
MaterialSTEEL OVERALL
Head Thickness1.250 INCHES MAXIMUM IN
Head Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6625-00-305-2373 INTERCHANGEABLE
Socket Assembly
2530-00-420-4412128135R1 INTERCHANGEABLE
Spring
Navistar Intl Corp Truck Br Ohio Plant
5330-00-428-2162QD635 INTERCHANGEABLE
Gasket
Wisconsin Motors, Llc
5310-00-701-489111A2179 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
5440-01-555-940831-0-84 INTERCHANGEABLE
Ladder,straight
Hdt Expeditionary Systems Inc
4510-01-568-267731084 INTERCHANGEABLE
Toilet,recreational Vehicle
Thetford Corp
Cross-Reference Index
Part NumberManufacturer
10087517 Nimikkeistokeskus Ncb Finland (FIN)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
31-084 Apex Tool Group, Llc Dba Nicholson (USA)
31-084 Armstrong Bros Tool Co (USA)
31-084 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
GGG-W-636 TY5 General Services Administration Federal Supply Service (USA)
15A PRIMARY Martin Sprocket and Gear Inc (USA)
A-A-1354A Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
Related Parts
6625-00-305-2373INTERCHANGEABLE
SOCKET ASSEMBLY
2530-00-420-4412INTERCHANGEABLE
SPRING
128135R1
5330-00-428-2162INTERCHANGEABLE
GASKET
QD635
5310-00-701-4891INTERCHANGEABLE
WASHER,FLAT
11A2179
5440-01-555-9408INTERCHANGEABLE
LADDER,STRAIGHT
31-0-84
4510-01-568-2677INTERCHANGEABLE
TOILET,RECREATIONAL VEHICLE
31084

Frequently Asked Questions

What is NSN 5120-00-081-9085?

NSN 5120-00-081-9085 is a Wrench,open End, manufactured by Martin Sprocket and Gear Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-081-9085?

NSN 5120-00-081-9085 has 8 cross-referenced part numbers: 10087517 (Nimikkeistokeskus Ncb Finland), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC), 31-084 (Apex Tool Group, Llc Dba Nicholson), 31-084 (Armstrong Bros Tool Co), 31-084 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 3 more.

What NSN replaces 5120-00-081-9085?

There are 6 known substitutes for 5120-00-081-9085: 6625-00-305-2373, 2530-00-420-4412, 5330-00-428-2162 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15A?

Key specifications for 15A: Style Designator: SINGLE HEAD; Wrenching Surface Size: 2.625 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Overall Length: 23.000 INCHES MINIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-081-9085 still in active supply?

NSN 5120-00-081-9085 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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