The Straightedge, cataloged under National Stock Number 6675-00-641-5721, is classified within Federal Supply Class 6675 (Drafting, Surveying, and Mapping Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6675-00-641-5721 |
| Item Name | Straightedge |
| FSC / FSG | 6675 / 66 — Drafting, Surveying, and Mapping Instruments |
| Status | ACTIVE |
| Scale Unit of Measure Inscription | METERS AND YARDS |
| Length | 60.000 INCHES NOMINAL IN |
| Edge Type | BEVELED |
| Maximum Width | 3.000 INCHES IN |
| Straight Edge Location | BOTH SIDES |
| Heat Treatment | SEMIHARDENED |
| Map Ratio | 25000 |
| Graduations | NOT INCLUDED |
| Nondefinitive Spec/std Data | III TYPE |
| Unit Type | PLOTTING |
| Drafting Machine Chuck | NOT PROVIDED |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.090 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GGS776TYPE3 | 4/1 Identification reference U.S. Government activity |
NSN 6675-00-641-5721 is a Straightedge, classified under FSC 6675, Drafting, Surveying, and Mapping Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6675-00-641-5722. Verify interchangeability with system specifications before substitution.
Key specifications for 6675-00-641-5721: Scale Unit of Measure Inscription: METERS AND YARDS; Length: 60.000 INCHES NOMINAL IN; Edge Type: BEVELED; Maximum Width: 3.000 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.