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NSN 5120-00-404-9779Government record, cited

Guide Tool, Seal5120-00-404-9779

NSN 5120-00-404-9779 · NIIN 004049779 · Part number T304021
Eaton Aerospace, Llc Dba Jackson South · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 62983
Government record, cited
NSN 5120-00-404-9779 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-404-9779. Manufacturer of record part number: T304021.
Also searched as  5120-00-404-9779 · 5120004049779 · NIIN 004049779 · 00-404-9779 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 62983 · T304021
Nearby stock numbers  ·
Features
  • Guide Tool,seal — FSC 5120
  • General Characteristics Item Description: STEEL,SAE 4140,3.000 IN. LG,0.963 IN. MIN.,0.964 IN. MAX OD O/A DIM. IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South
Identification
  • NSN: 5120-00-404-9779
  • NIIN: 004049779
  • FSC: 5120 — Hand Tools, Nonedged, Nonpowered
  • FSG: 51 — Hand Tools
  • Primary part number: T304021
  • Manufacturer: Eaton Aerospace, Llc Dba Jackson South
General Description

The Guide Tool,seal, cataloged under National Stock Number 5120-00-404-9779, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-404-9779
Primary Part NumberT304021
Item NameGuide Tool,seal
FSC / FSG5120 / 51 — Hand Tools, Nonedged, Nonpowered
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item DescriptionSTEEL,SAE 4140,3.000 IN. LG,0.963 IN. MIN.,0.964 IN. MAX OD O/A DIM. 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
T304021 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
No interchangeability data on file.
Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5120-00-001-2642
ADAPTER,TORQUE WRENCH
5120-00-001-2644
ADAPTER,TORQUE WRENCH
5120-00-001-2650
INSERTER,SEAL
5120-00-001-2651
5120-00-001-2651 · Item name not on file
5120-00-001-2652
INSTALLING TOOL,SHAFT
5120-00-001-2653
REMOVER,PREFORMED PACKING
5120-00-001-2654
REMOVER,PREFORMED PACKING
5120-00-001-2655
SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-00-404-9779?

NSN 5120-00-404-9779 is a Guide Tool,seal, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-00-404-9779?

NSN 5120-00-404-9779 has 1 manufacturer part number on file: T304021 (Eaton Aerospace, Llc Dba Jackson South).

What are the specifications of T304021?

Key specifications for T304021: General Characteristics Item Description: STEEL,SAE 4140,3.000 IN. LG,0.963 IN. MIN.,0.964 IN. MAX OD O/A DIM. IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5120-00-404-9779 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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