The Dampener,fluid Pressure, cataloged under National Stock Number 4930-01-507-3984, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4930-01-507-3984 |
| Item Name | Dampener,fluid Pressure |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Status | ACTIVE |
| Supplementary Features | MEETS ENVIRONMENTAL VIBRATION REQS OF SECTION 073 OF THE VIRGINIA CLASS SHIPS SPEC AND MIL-STD-167-1 (TYPE 1) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2085-12 MOD | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| H6841504A-3 | 3/2 Design control — primary reference U.S. Government activity |
| 412-4637515 MOD | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4930-01-507-3984 is a Dampener,fluid Pressure, classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6685-01-580-0669. Verify interchangeability with system specifications before substitution.
Key specifications for 4930-01-507-3984: Supplementary Features: MEETS ENVIRONMENTAL VIBRATION REQS OF SECTION 073 OF THE VIRGINIA CLASS SHIPS SPEC AND MIL-STD-167-1 (TYPE 1); Special Features: INCLUDES: TRANSDUCER, PLUG AND CABLE ASSY AND MAGNETIC SWITCH AND CABLE ASSY; Part Name Assigned by Controlling Agency: INAVY: SNUBBER AND FLUSHING UNIT; DRAWING: SNUBBER AND FLUSHING UNIT ASSEMBLY; End Item Identification: UNIT 4, ARRAY FLUSHING. 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.
NSN 4930-01-507-3984 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.