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NSN 4920-01-268-4173Government record, cited

Retainer, Brace, Aircraft4920-01-268-4173

NSN 4920-01-268-4173 · NIIN 012684173 · Part number 74D120000-2033
Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 06651
Government record, cited
NSN 4920-01-268-4173 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-268-4173. Manufacturer of record part number: 74D120000-2033.
Also searched as  4920-01-268-4173 · 4920012684173 · NIIN 012684173 · 01-268-4173 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 06651 · 74D120000-2033
Nearby stock numbers  ·
Features
  • Retainer,brace,aircraft — FSC 4920
  • General Characteristics Item Description: STEEL PER AMS 5643; 2.125 IN. DIA; 2.100 IN. LG IN
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co
Identification
  • NSN: 4920-01-268-4173
  • NIIN: 012684173
  • FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 74D120000-2033
  • Manufacturer: Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co
General Description

The Retainer,brace,aircraft, cataloged under National Stock Number 4920-01-268-4173, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-268-4173
Primary Part Number74D120000-2033
Item NameRetainer,brace,aircraft
FSC / FSG4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
ManufacturerMccay Tool and Engineering Company Dba Mccay Tool & Engineering Co
StatusACTIVE
General Characteristics Item DescriptionSTEEL PER AMS 5643; 2.125 IN. DIA; 2.100 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
74D120000-2033 The Boeing Company Div Defense (USA)
74D120000-2033 PRIMARY Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co (USA)
No interchangeability data on file.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file

Frequently Asked Questions

What is NSN 4920-01-268-4173?

NSN 4920-01-268-4173 is a Retainer,brace,aircraft, manufactured by Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-268-4173?

NSN 4920-01-268-4173 has 2 manufacturer part numbers on file: 74D120000-2033 (The Boeing Company Div Defense), 74D120000-2033 (Mccay Tool and Engineering Company Dba Mccay Tool & Engineering Co).

What are the specifications of 74D120000-2033?

Key specifications for 74D120000-2033: General Characteristics Item Description: STEEL PER AMS 5643; 2.125 IN. DIA; 2.100 IN. LG IN; End Item Identification: GROUND SUPPORT EQUIPMENT F-18 AIRCRAFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-01-268-4173 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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