The Grillage,jacking, cataloged under National Stock Number 5420-01-549-4422, is classified within Federal Supply Class 5420 (Bridges, Fixed and Floating) of the Prefabricated Structures and Scaffolding group. The manufacturer of record is Acrow Corporation of America Dba Acrow Corp of America. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5420-01-549-4422 |
| Primary Part Number | AB899 |
| Item Name | Grillage,jacking |
| FSC / FSG | 5420 / 54 — Bridges, Fixed and Floating |
| Manufacturer | Acrow Corporation of America Dba Acrow Corp of America |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5420-01-549-4422 is a Grillage,jacking, manufactured by Acrow Corporation of America Dba Acrow Corp of America, classified under FSC 5420, Bridges, Fixed and Floating. Status: active.
NSN 5420-01-549-4422 has 3 manufacturer part numbers on file: AB899 (Acrow Ltd), AB899 (Milton Steel Inc), AB899 (Acrow Corporation of America Dba Acrow Corp of America).
Key specifications for AB899: Overall Height: 127.0 MILLIMETERS NOMINAL MM; Overall Length: 648.0 MILLIMETERS NOMINAL MM; Overall Width: 127.0 MILLIMETERS NOMINAL MM; Special Features: BLOCKS UP BRIDGE TRUSSES DURING JACKING; USED AS A FOUNDATION FOR PLAIN ROLLERS DURING LAUNCH; GALVANIZED. 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.