The Diaphragm, cataloged under National Stock Number 4130-01-128-8298, 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 American Turbo Systems 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4130-01-128-8298 |
| Primary Part Number | 100995 |
| Item Name | Diaphragm |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | American Turbo Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 2.235 IN. MIN 2.265 IN. MAX OD,0.492 IN. MIN 0.508 IN. MAX O/A THK,0.190 IN. DIA HOLE CENTRALLY LOCATED,0.190 IN. DIA 6 HOLES EQUALLY SPACED ON 1.870 IN. MIN 1.890 IN. MAX BOLT HOLE CIRCLE,0.110 IN. MIN 0.170 IN. MAX DIA HOLE LOCATED 0.850 IN. MIN 0.910 IN. MAX FROM CENTER 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 |
|---|---|
| 100995 PRIMARY | American Turbo Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 100995 | 5/9 Secondary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 4130-01-128-8298 is a Diaphragm, manufactured by American Turbo Systems Inc, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-01-128-8298 has 1 manufacturer part number on file: 100995 (American Turbo Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-320-6029, 5905-01-369-4733. Verify interchangeability with system specifications before substitution.
Key specifications for 100995: General Characteristics Item Description: 2.235 IN. MIN 2.265 IN. MAX OD,0.492 IN. MIN 0.508 IN. MAX O/A THK,0.190 IN. DIA HOLE CENTRALLY LOCATED,0.190 IN. DIA 6 HOLES EQUALLY SPACED ON 1.870 IN. MIN 1.890 IN. MAX BOLT HOLE CIRCLE,0.110 IN. MIN 0.170 IN. MAX DIA HOLE LOCATED 0.850 IN. MIN 0.910 IN. MAX FROM CENTER IN; End Item Identification: A/M32C-10C 4120-00-303-3064. 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.