The Head,guide,spacer, cataloged under National Stock Number 4910-00-150-5797, is classified within Federal Supply Class 4910 (Motor Vehicle Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Cummins Inc.. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4910-00-150-5797 |
| Primary Part Number | ST633 |
| Item Name | Head,guide,spacer |
| FSC / FSG | 4910 / 49 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | TOOL FOR CUMMINS NH,V-12 ENGINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MA326-21077 | Am General Llc (USA) |
| ST633 PRIMARY | Cummins Inc. (USA) |
NSN 4910-00-150-5797 is a Head,guide,spacer, manufactured by Cummins Inc., classified under FSC 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4910-00-150-5797 has 2 manufacturer part numbers on file: MA326-21077 (Am General Llc), ST633 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-085-9462. Verify interchangeability with system specifications before substitution.
Key specifications for ST633: General Characteristics Item Description: TOOL FOR CUMMINS NH,V-12 ENGINE. 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.