The Collet Assembly,gage, cataloged under National Stock Number 5220-01-084-7342, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Mahr Inc. 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 | 5220-01-084-7342 |
| Primary Part Number | AD-87 |
| Item Name | Collet Assembly,gage |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Mahr Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM CONSIST OF ONE COLLECT BUSHING P/N AD-88,0.28125 IN. HIGH,1/2-32 THREAD;ONE COLLET BUSHING NUT,P/N NT-99,0.6875 IN. HIGH,0.375 IN. INNER DIA 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 |
|---|---|
| AD-87 PRIMARY | Mahr Inc (USA) |
NSN 5220-01-084-7342 is a Collet Assembly,gage, manufactured by Mahr Inc, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-084-7342 has 1 manufacturer part number on file: AD-87 (Mahr Inc).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-487-4548. Verify interchangeability with system specifications before substitution.
Key specifications for AD-87: General Characteristics Item Description: ITEM CONSIST OF ONE COLLECT BUSHING P/N AD-88,0.28125 IN. HIGH,1/2-32 THREAD;ONE COLLET BUSHING NUT,P/N NT-99,0.6875 IN. HIGH,0.375 IN. INNER DIA IN; End Item Identification: GAGE,TF30ENGINE. 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.