PartsTable TECHNICAL DATA SHEET
NSN 3020-00-779-6031Government record, cited

Link, Roller Chain3020-00-779-6031

NSN 3020-00-779-6031 · NIIN 007796031 · Part number 7793740
Army, United States Department of the Dba Rock Island Arsenal Jmtc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 19204
Government record, cited
NSN 3020-00-779-6031 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-779-6031. Manufacturer of record part number: 7793740.
Also searched as  3020-00-779-6031 · 3020007796031 · NIIN 007796031 · 00-779-6031 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 19204 · 7793740 · 190SPCL
Nearby stock numbers  ·
Features
  • Link,roller Chain — FSC 3020
  • FSC Application Data: MACHINE GUN,7.62MM,M73 MM
  • Link Plate Width at Pin End: 0.340 INCHES NOMINAL IN
  • Link Pin Nominal Diameter: 0.1410 INCHES IN
  • Surface Treatment: OXIDE IRON
  • Minimum Tensile Strength: 1450 POUNDS PER SQUARE INCH LBS
  • Material: STEEL CORROSION RESISTING
  • Link Nominal Width Between Plates: 0.1680 INCHES IN
Identification
  • NSN: 3020-00-779-6031
  • NIIN: 007796031
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 7793740
  • Manufacturer: Army, United States Department of the Dba Rock Island Arsenal Jmtc
General Description

The Link,roller Chain, cataloged under National Stock Number 3020-00-779-6031, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 7 specifications, 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
NSN3020-00-779-6031
Primary Part Number7793740
Item NameLink,roller Chain
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerArmy, United States Department of the Dba Rock Island Arsenal Jmtc
StatusACTIVE
FSC Application DataMACHINE GUN,7.62MM,M73 MM
Link Plate Width at Pin End0.340 INCHES NOMINAL IN
Link Pin Nominal Diameter0.1410 INCHES IN
Surface TreatmentOXIDE IRON
Minimum Tensile Strength1450 POUNDS PER SQUARE INCH LBS
MaterialSTEEL CORROSION RESISTING
Link Nominal Width Between Plates0.1680 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL B — Remove Demilitarization Key Points
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
7793740 PRIMARY Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
190SPCL Rexnord Holdings Inc (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-001-2090
3020-00-001-2090 · Item name not on file
3020-00-001-4468
3020-00-001-4468 · Item name not on file
3020-00-007-2779
GEAR,ANTIBACKLASH,SPUR
3020-00-009-4033
GEAR,SPUR
3020-00-031-2269
3020-00-031-2269 · Item name not on file
3020-00-146-4181
GEAR,IDLER
3020-00-146-4222
GEAR,IDLER
3020-00-425-7115
GEAR,HELICAL

Frequently Asked Questions

What is NSN 3020-00-779-6031?

NSN 3020-00-779-6031 is a Link,roller Chain, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-779-6031?

NSN 3020-00-779-6031 has 2 manufacturer part numbers on file: 7793740 (Army, United States Department of the Dba Rock Island Arsenal Jmtc), 190SPCL (Rexnord Holdings Inc).

What are the specifications of 7793740?

Key specifications for 7793740: FSC Application Data: MACHINE GUN,7.62MM,M73 MM; Link Plate Width at Pin End: 0.340 INCHES NOMINAL IN; Link Pin Nominal Diameter: 0.1410 INCHES IN; Surface Treatment: OXIDE IRON. 7 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-779-6031 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.

What is the DEMIL code for NSN 3020-00-779-6031?

NSN 3020-00-779-6031 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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