The Arm,idler Pulley, cataloged under National Stock Number 2930-00-561-8319, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Schwitzer Engine Components a Household Intl 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-00-561-8319 |
| Primary Part Number | A113970 |
| Item Name | Arm,idler Pulley |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Schwitzer Engine Components a Household Intl Co |
| Status | ACTIVE |
| General Characteristics Item Description | IRON,MALLEABLE OR CAST STEEL; 7.562 IN. O/A H; 4.312 IN. O/A LG; 2.710 IN. W IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2930-00-561-8319 is a Arm,idler Pulley, manufactured by Schwitzer Engine Components a Household Intl Co, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-00-561-8319 has 2 manufacturer part numbers on file: A113970 (Schwitzer Engine Components a Household Intl Co), 5618319 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-051-4056, 6210-01-231-1540. Verify interchangeability with system specifications before substitution.
Key specifications for A113970: General Characteristics Item Description: IRON,MALLEABLE OR CAST STEEL; 7.562 IN. O/A H; 4.312 IN. O/A LG; 2.710 IN. W IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.