PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1556079Wrench,ratchet

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5120-00-726-3796 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-726-3796 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-726-3796. Primary manufacturer part number: 1556079.
Features
  • Wrench,ratchet — FSC 5120
  • Style Designator: STRAIGHT SINGLE HEAD
  • Features Provided: REVERSIBLE RATCHET
  • Head Thickness: 1.016 INCHES NOMINAL IN
  • Material: IRON AND STEEL OVERALL
  • Surface Treatment: CHROMIUM AND NICKEL AND OXIDE OVERALL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Iron and Steel Overall construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-00-726-3796, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5120-00-726-3796
Primary Part Number1556079
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Style DesignatorSTRAIGHT SINGLE HEAD
Features ProvidedREVERSIBLE RATCHET
Head Thickness1.016 INCHES NOMINAL IN
MaterialIRON AND STEEL OVERALL
Surface TreatmentCHROMIUM AND NICKEL AND OXIDE OVERALL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-274-7391590T-1.0 INTERCHANGEABLE
Valve,globe
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4730-00-289-5927 INTERCHANGEABLE
Clamp,hose
8455-00-387-0955 INTERCHANGEABLE
Sword Knot
6680-00-394-7335B22 INTERCHANGEABLE
Tip,convex
Schulze Mfg., Inc.
6740-00-436-4949 INTERCHANGEABLE
Printer,projection,photographic
5999-00-444-6697B22 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5365-00-550-3078B2-2 INTERCHANGEABLE
Shim
Roller Bearing Co of America, Inc Div Pic Design
4820-00-595-1907TYPE 2/CLASS 150/SIZE 1-1/2 IN INTERCHANGEABLE
Valve,globe
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
5999-00-665-771115958-14ITEM16P1 INTERCHANGEABLE
Heater,thermal Release
Ward Leonard Ct Llc
5355-00-827-8682B-22 INTERCHANGEABLE
Knob
Reid Supply Company
Cross-Reference Index
Part NumberManufacturer
23-11203-9900/22-91709-2600 Lowell Corporation Dba Lowell Corp (USA)
B22 Lowell Corporation Dba Lowell Corp (USA)
22-22901-3312/91709 Lowell Corporation Dba Lowell Corp (USA)
1556079 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4820-00-274-7391INTERCHANGEABLE
VALVE,GLOBE
590T-1.0
4730-00-289-5927INTERCHANGEABLE
CLAMP,HOSE
8455-00-387-0955INTERCHANGEABLE
SWORD KNOT
6680-00-394-7335INTERCHANGEABLE
TIP,CONVEX
B22
6740-00-436-4949INTERCHANGEABLE
PRINTER,PROJECTION,PHOTOGRAPHIC
5999-00-444-6697INTERCHANGEABLE
HEATER,THERMAL RELEASE
B22
5365-00-550-3078INTERCHANGEABLE
SHIM
B2-2
4820-00-595-1907INTERCHANGEABLE
VALVE,GLOBE
TYPE 2/CLASS 150/SIZE 1-1/2 IN
5999-00-665-7711INTERCHANGEABLE
HEATER,THERMAL RELEASE
15958-14ITEM16P1
5355-00-827-8682INTERCHANGEABLE
KNOB
B-22
4730-01-098-4494INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1100
5330-01-165-1193INTERCHANGEABLE
SEAL,PLAIN
B-22

Frequently Asked Questions

What is NSN 5120-00-726-3796?

NSN 5120-00-726-3796 is a Wrench,ratchet, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-726-3796?

NSN 5120-00-726-3796 has 4 cross-referenced part numbers: 23-11203-9900/22-91709-2600 (Lowell Corporation Dba Lowell Corp), B22 (Lowell Corporation Dba Lowell Corp), 22-22901-3312/91709 (Lowell Corporation Dba Lowell Corp), 1556079 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5120-00-726-3796?

There are 12 known substitutes for 5120-00-726-3796: 4820-00-274-7391, 4730-00-289-5927, 8455-00-387-0955 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1556079?

Key specifications for 1556079: Overall Length: 12.000 INCHES NOMINAL IN; Style Designator: STRAIGHT SINGLE HEAD; Features Provided: REVERSIBLE RATCHET; Head Thickness: 1.016 INCHES NOMINAL IN. 8 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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