The Sight Glass, cataloged under National Stock Number 4130-01-110-8342, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Emerson Electric Co Alco Controls Div. The record lists 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Sight Glass |
| FSC / FSG | 4130 — Refrigeration and Air Conditioning Components (FSG 41) |
| Manufacturers | Lightfoot Defence Limited (CAGE K3586); Emerson Electric Co Alco Controls Div (CAGE 70255); Alco France SAS (CAGE F8375) |
| Parameter | Value |
|---|---|
| NSN | 4130-01-110-8342 |
| Primary Part Number | AM1-1TT9 |
| Item Name | Sight Glass |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| AO/S.9343 ITEM 77 | Lightfoot Defence Limited (GBR) |
| A0/S.9343/77 | Lightfoot Defence Limited (GBR) |
| S.9343 ITEM 77 | Lightfoot Defence Limited (GBR) |
| S.9343/77 | Lightfoot Defence Limited (GBR) |
| AM1-1TT9 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| AMI-1TT9 | Alco France SAS (FRA) |
| 805651 | Alco France SAS (FRA) |
| Reference | Meaning |
|---|---|
| AM11SS9 | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
NSN 4130-01-110-8342 is a Sight Glass, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-110-8342 has 7 manufacturer part numbers on file: AO/S.9343 ITEM 77 (Lightfoot Defence Limited), A0/S.9343/77 (Lightfoot Defence Limited), S.9343 ITEM 77 (Lightfoot Defence Limited), S.9343/77 (Lightfoot Defence Limited), AM1-1TT9 (Emerson Electric Co Alco Controls Div) and 2 more.
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.