PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6161Wrench,ratchet

Wta Tool Llc · NSN 5120-01-064-1916 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-064-1916 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-064-1916. Primary manufacturer part number: 6161.
Features
  • Wrench,ratchet — FSC 5120
  • Wrenching Surface Flute Quantity: 12
  • Wrenching Surface Size: 0.938 INCHES NOMINAL SECOND END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: SPLINE BOTH ENDS INTERNAL
  • Wrenching Surface Size: 0.812 INCHES NOMINAL FIRST END IN
  • Small End Head Thickness: 0.438 INCHES NOMINAL IN
  • Style Designator: STRAIGHT DOUBLE HEAD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-01-064-1916, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Wta Tool Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-064-1916
Primary Part Number6161
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerWta Tool Llc
StatusACTIVE
Wrenching Surface Flute Quantity12
Wrenching Surface Size0.938 INCHES NOMINAL SECOND END IN
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface ShapeSPLINE BOTH ENDS INTERNAL
Wrenching Surface Size0.812 INCHES NOMINAL FIRST END IN
Small End Head Thickness0.438 INCHES NOMINAL IN
Style DesignatorSTRAIGHT DOUBLE HEAD
MaterialSTEEL OVERALL
Large End Head Thickness0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-262-01356161 INTERCHANGEABLE
Electron Tube
Naval Ship Systems Command
3020-00-275-10896161 INTERCHANGEABLE
Gear,helical
Northrop Grumman Systems Corporation Div Marine Systems
4510-00-279-0500 INTERCHANGEABLE
Stopper,waste Drain
5935-00-303-082761-61 INTERCHANGEABLE
Shell,electrical Connector
Amphenol Corp Div Amphenol Aerospace Operations
3120-00-338-7846 INTERCHANGEABLE
Bearing,sleeve
5977-00-379-4328PD-5663 INTERCHANGEABLE
Brush,electrical Contact
Carbon/graphite Group Inc the
5985-00-549-037761-6-1 INTERCHANGEABLE
Line Section,radio Frequency Tra
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
4820-00-595-385614358-C INTERCHANGEABLE
Valve,gate
Blue Tee Corp. Dba Gefco
6150-00-669-5129 INTERCHANGEABLE
End Bell,electrical Rotating Equ
5975-00-779-2748101-000-202 INTERCHANGEABLE
Mounting Base,electrical Equipme
Dare Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
6161 Wta Tool Llc (USA)
6161 Granco Industries Inc (USA)
M8982/4-09 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-W-8982 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5960-00-262-0135INTERCHANGEABLE
ELECTRON TUBE
6161
3020-00-275-1089INTERCHANGEABLE
GEAR,HELICAL
6161
4510-00-279-0500INTERCHANGEABLE
STOPPER,WASTE DRAIN
5935-00-303-0827INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
61-61
3120-00-338-7846INTERCHANGEABLE
BEARING,SLEEVE
5977-00-379-4328INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
PD-5663
5985-00-549-0377INTERCHANGEABLE
LINE SECTION,RADIO FREQUENCY TRA
61-6-1
4820-00-595-3856INTERCHANGEABLE
VALVE,GATE
14358-C
6150-00-669-5129INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
5975-00-779-2748INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
101-000-202
5960-00-821-6692INTERCHANGEABLE
ELECTRON TUBE
6220-01-156-8420INTERCHANGEABLE
STOP LIGHT-TAILLIGHT,VEHICULAR
132

Frequently Asked Questions

What is NSN 5120-01-064-1916?

NSN 5120-01-064-1916 is a Wrench,ratchet, manufactured by Wta Tool Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-064-1916?

NSN 5120-01-064-1916 has 4 cross-referenced part numbers: 6161 (Wta Tool Llc), 6161 (Granco Industries Inc), M8982/4-09 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-W-8982 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5120-01-064-1916?

There are 12 known substitutes for 5120-01-064-1916: 5960-00-262-0135, 3020-00-275-1089, 4510-00-279-0500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6161?

Key specifications for 6161: Wrenching Surface Flute Quantity: 12; Overall Length: 12.750 INCHES NOMINAL IN; Wrenching Surface Size: 0.938 INCHES NOMINAL SECOND END IN; Surface Treatment: CHROMIUM OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

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