The Square,carpenter's, cataloged under National Stock Number 5210-01-057-0160, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is Stanley Tools Div of Stanley Works. Government technical data includes 5 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. 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 | 5210-01-057-0160 |
| Primary Part Number | 45-540 |
| Item Name | Square,carpenter's |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | Stanley Tools Div of Stanley Works |
| Status | ACTIVE |
| Design Type | ONE-PIECE |
| Blade Edge Smallest Graduation Unit | 2.0 MILLIMETER MM |
| Body Length | 23.500 INCHES NOMINAL IN |
| Tongue Length | 15.750 INCHES IN |
| 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 5210-01-057-0160 is a Square,carpenter's, manufactured by Stanley Tools Div of Stanley Works, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-057-0160 has 2 manufacturer part numbers on file: 45-540 (The Stanley Works Pty Ltd), 45-540 (Stanley Tools Div of Stanley Works).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-333-3858. Verify interchangeability with system specifications before substitution.
Key specifications for 45-540: Design Type: ONE-PIECE; Blade Edge Smallest Graduation Unit: 2.0 MILLIMETER MM; Body Length: 23.500 INCHES NOMINAL IN; Tongue Length: 15.750 INCHES IN. 5 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.