The Parallel, cataloged under National Stock Number 5220-00-273-8308, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is L.s. Starrett Company (the) Div Tool Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5220-00-273-8308 |
| Primary Part Number | 384F |
| Item Name | Parallel |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| Matched Pairs | FURNISHED |
| Material Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM |
| Design Type | STRAIGHT BAR |
| Nondefinitive Spec/std Data | 1 TYPE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 384F PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
| 41P172-905 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 41-P-172-905 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5220-00-273-8308 is a Parallel, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-00-273-8308 has 2 manufacturer part numbers on file: 384F (L.s. Starrett Company (the) Div Tool Division), 41P172-905 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 384F: Overall Height: 1.000 INCHES NOMINAL IN; Matched Pairs: FURNISHED; Material Hardness Rating: 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM; Design Type: STRAIGHT BAR. 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.