The Straightedge, cataloged under National Stock Number 5210-00-398-4258, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is Ambac International Corporation Div Ambac International. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-00-398-4258 |
| Primary Part Number | TSE52105 |
| Item Name | Straightedge |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | Ambac International Corporation Div Ambac International |
| Status | ACTIVE |
| Length | 4.000 INCHES NOMINAL IN |
| Edge Type | SQUARE |
| Maximum Width | 0.375 INCHES IN |
| Straight Edge Location | BOTH SIDES |
| Heat Treatment | HARDENED |
| Graduations | NOT INCLUDED |
| Unit Type | MACHINIST |
| Drafting Machine Chuck | NOT PROVIDED |
| Material | STEEL |
| Thickness | 0.018 INCHES NOMINAL IN |
| 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 |
|---|---|
| TSE52105 PRIMARY | Ambac International Corporation Div Ambac International (USA) |
NSN 5210-00-398-4258 is a Straightedge, manufactured by Ambac International Corporation Div Ambac International, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-00-398-4258 has 1 manufacturer part number on file: TSE52105 (Ambac International Corporation Div Ambac International).
Key specifications for TSE52105: Length: 4.000 INCHES NOMINAL IN; Edge Type: SQUARE; Maximum Width: 0.375 INCHES IN; Straight Edge Location: BOTH SIDES. 10 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.