The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-035-7314, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company Dba Rotary Compressor Division. 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through both NSN and commercial part number lookups. 39 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-035-7314 |
| Primary Part Number | 128505 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Rotary Compressor Division |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 128505 PRIMARY | Ingersoll-Rand Company Dba Rotary Compressor Division (USA) |
| Reference | Meaning |
|---|---|
| 188420PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 187972PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188288PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188227PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 166560PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 185463PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188225PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188404PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 166345PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 185420PC262 | 5/9 Secondary reference Ingersoll Rand Co |
| 166434PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 185476PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188220PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 185471PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 166433PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188226PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188405APC262 | 5/9 Secondary reference Ingersoll Rand Co |
| 188232PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 184422PC126 | 5/9 Secondary reference Ingersoll Rand Co |
| 188204PC126 | 5/9 Secondary reference Ingersoll Rand Co |
NSN 4820-00-035-7314 is a Diaphragm,valve,flat, manufactured by Ingersoll-Rand Company Dba Rotary Compressor Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-035-7314 has 1 manufacturer part number on file: 128505 (Ingersoll-Rand Company Dba Rotary Compressor Division).
1 possible match (shared part number, not a government interchangeability claim): 5950-00-948-3471. Verify interchangeability with system specifications before substitution.
Key specifications for 128505: Material: RUBBER. 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.