The Gage,plug,thread, cataloged under National Stock Number 5220-01-180-0440, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation. Government technical data includes 7 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5220-01-180-0440 |
| Primary Part Number | 56730 |
| Item Name | Gage,plug,thread |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation |
| Status | ACTIVE |
| Screw Thread Quantity Per Inch | 40.0 |
| Design Type | SINGLE END |
| Thread Type | SINGLE |
| Nominal Thread Diameter | 0.1120 INCHES IN |
| Features Provided | GO GAGE |
| Thread Direction | RIGHT-HAND |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 56730 PRIMARY | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation (USA) |
NSN 5220-01-180-0440 is a Gage,plug,thread, manufactured by Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-180-0440 has 1 manufacturer part number on file: 56730 (Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5120-01-546-9985, 3455-01-549-6709, 5930-01-576-9182. Verify interchangeability with system specifications before substitution.
Key specifications for 56730: Screw Thread Quantity Per Inch: 40.0; Design Type: SINGLE END; Thread Type: SINGLE; Nominal Thread Diameter: 0.1120 INCHES IN. 7 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.