PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-076Wrench,open End

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-00-277-1236 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1236 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1236. Primary manufacturer part number: 31-076.
Features
  • Wrench,open End — FSC 5120
  • Style Designator: SINGLE HEAD
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
  • Head Thickness: 1.250 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Treatment: ENAMEL AND CHROMIUM OVERALL
  • Torque Capacity: 61560.0 INCH-POUNDS MINIMUM IN
  • Wrenching Surface Size: 2.375 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,open End, cataloged under National Stock Number 5120-00-277-1236, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-277-1236
Primary Part Number31-076
Item NameWrench,open End
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusCANCELLED
Style DesignatorSINGLE HEAD
Hardness Rating40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Head Thickness1.250 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface TreatmentENAMEL AND CHROMIUM OVERALL
Torque Capacity61560.0 INCH-POUNDS MINIMUM IN
Wrenching Surface Size2.375 INCHES NOMINAL SINGLE END IN
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
2530-00-738-96187389618 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
U S Army Tank Automotive Command Amsta-Im-Mm
1630-00-895-934840-76-1 INTERCHANGEABLE
Wheel,landing Gear
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
4920-00-957-3434 INTERCHANGEABLE
Adapter,flange
5930-01-170-1769 INTERCHANGEABLE
Switch,pressure
4730-01-329-34266FS05X-30-66-12B-E16-9 3/4 INTERCHANGEABLE
Expansion Joint,pipe
Hyspan Precision Products, Inc.
5130-01-445-48953107-6 INTERCHANGEABLE
Drill,electric,portable
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
5315-01-448-9874PL-2032B-001 REV-C ITEM NO. 53 INTERCHANGEABLE
Pin,straight,headless
Supreme Integrated Technology, Inc. Dba C.s. Controls
7690-01-700-767531-076-2 INTERCHANGEABLE
Label
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
31-076 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
31-076 Apex Tool Group, Llc Dba Nicholson (USA)
31-076 Armstrong Bros Tool Co (USA)
BW-14 Martin Sprocket and Gear Inc (USA)
14 Martin Sprocket and Gear Inc (USA)
GGG-W-636 TY5 General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1357 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
31-076 Satair A/s (DNK)
BW-14 Williams J H Industrial Products Inc (USA)
Related Parts
2530-00-738-9618INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
7389618
1630-00-895-9348INTERCHANGEABLE
WHEEL,LANDING GEAR
40-76-1
4920-00-957-3434INTERCHANGEABLE
ADAPTER,FLANGE
5930-01-170-1769INTERCHANGEABLE
SWITCH,PRESSURE
4730-01-329-3426INTERCHANGEABLE
EXPANSION JOINT,PIPE
6FS05X-30-66-12B-E16-9 3/4
5130-01-445-4895INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
3107-6
5315-01-448-9874INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
PL-2032B-001 REV-C ITEM NO. 53
7690-01-700-7675INTERCHANGEABLE
LABEL
31-076-2

Frequently Asked Questions

What is NSN 5120-00-277-1236?

NSN 5120-00-277-1236 is a Wrench,open End, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-277-1236?

NSN 5120-00-277-1236 has 10 cross-referenced part numbers: 31-076 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 31-076 (Apex Tool Group, Llc Dba Nicholson), 31-076 (Armstrong Bros Tool Co), BW-14 (Martin Sprocket and Gear Inc), 14 (Martin Sprocket and Gear Inc) and 5 more.

What NSN replaces 5120-00-277-1236?

There are 8 known substitutes for 5120-00-277-1236: 2530-00-738-9618, 1630-00-895-9348, 4920-00-957-3434 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-076?

Key specifications for 31-076: Style Designator: SINGLE HEAD; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM; Head Thickness: 1.250 INCHES MAXIMUM IN; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-277-1236 still in active supply?

NSN 5120-00-277-1236 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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