The Gage,air Ring, cataloged under National Stock Number 5220-01-135-3099, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp. Government technical data includes 1 specification, 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. 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 | 5220-01-135-3099 |
| Primary Part Number | 0.9087 |
| Item Name | Gage,air Ring |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp |
| Status | ACTIVE |
| General Characteristics Item Description | MATL HARDENED STEEL,INTERNAL DIA. 0.9087 IN. 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 |
|---|---|
| 0.9087 PRIMARY | Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp (USA) |
NSN 5220-01-135-3099 is a Gage,air Ring, manufactured by Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-135-3099 has 1 manufacturer part number on file: 0.9087 (Warner and Swasey Co Sheffield Measurement Div Sub of Cross and Trecker Corp).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-506-4574. Verify interchangeability with system specifications before substitution.
Key specifications for 0.9087: General Characteristics Item Description: MATL HARDENED STEEL,INTERNAL DIA. 0.9087 IN. IN. 1 specification is 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.