PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-76070-1Wrench,orifice

Northrop Grumman Systems Corporation · NSN 5120-00-104-5559 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-104-5559 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-104-5559. Primary manufacturer part number: 6-76070-1.
Features
  • Wrench,orifice — FSC 5120
  • Reference Data and Literature: TO 4S2-61-4
  • 4 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Wrench,orifice, cataloged under National Stock Number 5120-00-104-5559, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5120-00-104-5559
Primary Part Number6-76070-1
Item NameWrench,orifice
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Reference Data and LiteratureTO 4S2-61-4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6510-00-054-72567000030208 INTERCHANGEABLE
Skin Closure,adhesive,surgical
Solventum Us Llc
3110-00-100-5842108-109-6PC487 INTERCHANGEABLE
Bearing,roller,tapered
Struthers Wells Corp
4820-00-200-0664CFA40614 INTERCHANGEABLE
Valve,globe
Curtis Dyna-Fog, Ltd.
5306-00-218-143635-21 INTERCHANGEABLE
Bolt,shoulder
Dresser Industries Inc Leroi Div
4730-00-867-90283521 INTERCHANGEABLE
Adapter Bushing
Coffin Turbo Pump Inc
5935-00-899-36693521-C INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-00-910-93186140026-12 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
4920-00-918-49593-5-2-1 INTERCHANGEABLE
Lift Pin
Celtech Corporation Div Use CAGE 65552 for All Orders
3020-01-025-82763521 INTERCHANGEABLE
Gear Cam Assembly
Kearflex Engineering Company
3010-01-068-786835-21 INTERCHANGEABLE
Plate Reducer
Cone Drive Operations Inc
Cross-Reference Index
Part NumberManufacturer
6-76070-1 Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA)
6-76070-1 PRIMARY Northrop Grumman Systems Corporation (USA)
6-76070-1 Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA)
3521 Ministerie Van Defensie Clskklu-Tekeningen Centrale Tekenkamer Kls (NLD)
Related Parts
6510-00-054-7256INTERCHANGEABLE
SKIN CLOSURE,ADHESIVE,SURGICAL
7000030208
3110-00-100-5842INTERCHANGEABLE
BEARING,ROLLER,TAPERED
108-109-6PC487
4820-00-200-0664INTERCHANGEABLE
VALVE,GLOBE
CFA40614
5306-00-218-1436INTERCHANGEABLE
BOLT,SHOULDER
35-21
4730-00-867-9028INTERCHANGEABLE
ADAPTER BUSHING
3521
5935-00-899-3669INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3521-C
5950-00-910-9318INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140026-12
4920-00-918-4959INTERCHANGEABLE
LIFT PIN
3-5-2-1
3020-01-025-8276INTERCHANGEABLE
GEAR CAM ASSEMBLY
3521
3010-01-068-7868INTERCHANGEABLE
PLATE REDUCER
35-21
5935-01-087-0186INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3521
5950-01-135-7731INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5120-00-104-5559?

NSN 5120-00-104-5559 is a Wrench,orifice, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-104-5559?

NSN 5120-00-104-5559 has 4 cross-referenced part numbers: 6-76070-1 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 6-76070-1 (Northrop Grumman Systems Corporation), 6-76070-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 3521 (Ministerie Van Defensie Clskklu-Tekeningen Centrale Tekenkamer Kls).

What NSN replaces 5120-00-104-5559?

There are 12 known substitutes for 5120-00-104-5559: 6510-00-054-7256, 3110-00-100-5842, 4820-00-200-0664 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-76070-1?

Key specifications for 6-76070-1: End Item Identification: AIRCRAFT NOSE LANDING GEAR; Reference Data and Literature: TO 4S2-61-4; Part Name Assigned by Controlling Agency: WRENCH, NOSE LANDING GEAR STRUT ORIFICE HEAD. 3 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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