The Plunger, cataloged under National Stock Number 4820-00-735-2908, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. 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. 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 | 4820-00-735-2908 |
| Primary Part Number | 6937-7 |
| Item Name | Plunger |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL CORROSION RESISTING; 0.635 IN. O/A LG; 0.234 IN. BASE DIA; 0.188 IN. LG OF BASE+ 0.159 IN. STEM DIA; 0.270 IN. STEM LG; 0.063 IN. TIP DIA; 0.125 IN. TIP LG; 0.188 IN. ID AT THE BASE 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 |
|---|---|
| 6937-7 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
NSN 4820-00-735-2908 is a Plunger, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-735-2908 has 1 manufacturer part number on file: 6937-7 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-074-6868, 5930-01-451-3236. Verify interchangeability with system specifications before substitution.
Key specifications for 6937-7: General Characteristics Item Description: MATERIAL STEEL CORROSION RESISTING; 0.635 IN. O/A LG; 0.234 IN. BASE DIA; 0.188 IN. LG OF BASE+ 0.159 IN. STEM DIA; 0.270 IN. STEM LG; 0.063 IN. TIP DIA; 0.125 IN. TIP LG; 0.188 IN. ID AT THE BASE 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.