The Plate,surface, cataloged under National Stock Number 5220-01-581-3955, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Applied Test Systems, Llc Div Applied Test Systems. Government technical data includes 2 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.
| Parameter | Value |
|---|---|
| NSN | 5220-01-581-3955 |
| Primary Part Number | T1189-5-STEP STEEL BLOCK |
| Item Name | Plate,surface |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Applied Test Systems, Llc Div Applied Test Systems |
| Status | ACTIVE |
| Material | STEEL |
| Working Surface Quantity | 5 |
| 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 |
|---|---|
| 118-540-310 | Berg Engineering & Sales Co., Inc. (USA) |
| T1189-5-STEP STEEL BLOCK PRIMARY | Applied Test Systems, Llc Div Applied Test Systems (USA) |
NSN 5220-01-581-3955 is a Plate,surface, manufactured by Applied Test Systems, Llc Div Applied Test Systems, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-581-3955 has 2 manufacturer part numbers on file: 118-540-310 (Berg Engineering & Sales Co., Inc.), T1189-5-STEP STEEL BLOCK (Applied Test Systems, Llc Div Applied Test Systems).
Key specifications for T1189-5-STEP STEEL BLOCK: Special Features: EXPLOSIVE ORDNANCE SYSTEM; 5 STEP BLOCK; Material: STEEL; Working Surface Quantity: 5. 2 specifications are 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.