PartsTable TECHNICAL DATA SHEET
NSN 5220-01-325-7571Government record, cited

Inspection Assembly5220-01-325-7571

NSN 5220-01-325-7571 · NIIN 013257571 · Part number 3C3991P20
General Electric Company · FSC 5220 — Inspection Gages and Precision Layout Tools · FSG 52 — Measuring Tools · CAGE 07482
Government record, cited
NSN 5220-01-325-7571 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-325-7571. Manufacturer of record part number: 3C3991P20.
Also searched as  5220-01-325-7571 · 5220013257571 · NIIN 013257571 · 01-325-7571 · FSC 5220 Inspection Gages and Precision Layout Tools · CAGE 07482 · 3C3991P20
Nearby stock numbers  ·
Features
  • Inspection Assembly — FSC 5220
  • General Characteristics Item Description: CONSISTS OF 1 PROBE,O/D 0.174 IN.,O/L 0.514 IN.,P/N DZ-100; 1 ROLLER,STEEL,SAE 4140-4340; 1 BUSHING,OILITE BRONZE; R.C. HARDNER 28-32 IN
  • 1 manufacturer part number on file
  • Manufacturer of record: General Electric Company
Identification
  • NSN: 5220-01-325-7571
  • NIIN: 013257571
  • FSC: 5220 — Inspection Gages and Precision Layout Tools
  • FSG: 52 — Measuring Tools
  • Primary part number: 3C3991P20
  • Manufacturer: General Electric Company
General Description

The Inspection Assembly, cataloged under National Stock Number 5220-01-325-7571, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is General Electric Company. 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
NSN5220-01-325-7571
Primary Part Number3C3991P20
Item NameInspection Assembly
FSC / FSG5220 / 52 — Inspection Gages and Precision Layout Tools
ManufacturerGeneral Electric Company
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 PROBE,O/D 0.174 IN.,O/L 0.514 IN.,P/N DZ-100; 1 ROLLER,STEEL,SAE 4140-4340; 1 BUSHING,OILITE BRONZE; R.C. HARDNER 28-32 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
3C3991P20 PRIMARY General Electric Company (USA)
No interchangeability data on file.
Other items in FSC 5220 — Inspection Gages and Precision Layout Tools
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5220-00-001-1255
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5220-00-001-2242 · Item name not on file
5220-00-001-2243
5220-00-001-2243 · Item name not on file
5220-00-001-2673
5220-00-001-2673 · Item name not on file
5220-00-001-2674
5220-00-001-2674 · Item name not on file
5220-00-001-2691
5220-00-001-2691 · Item name not on file
5220-00-001-2692
5220-00-001-2692 · Item name not on file
5220-00-001-2693
5220-00-001-2693 · Item name not on file

Frequently Asked Questions

What is NSN 5220-01-325-7571?

NSN 5220-01-325-7571 is a Inspection Assembly, manufactured by General Electric Company, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.

What part numbers are listed for NSN 5220-01-325-7571?

NSN 5220-01-325-7571 has 1 manufacturer part number on file: 3C3991P20 (General Electric Company).

What are the specifications of 3C3991P20?

Key specifications for 3C3991P20: General Characteristics Item Description: CONSISTS OF 1 PROBE,O/D 0.174 IN.,O/L 0.514 IN.,P/N DZ-100; 1 ROLLER,STEEL,SAE 4140-4340; 1 BUSHING,OILITE BRONZE; R.C. HARDNER 28-32 IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 5220-01-325-7571 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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