The Valve Flapper,pump, cataloged under National Stock Number 4320-01-070-3414, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Generac Mobile Products, Llc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-070-3414 |
| Primary Part Number | 42677 |
| Item Name | Valve Flapper,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Generac Mobile Products, Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 5 |
| Overall Thickness | 0.188 INCHES NOMINAL IN |
| 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 |
|---|---|
| 42677 | Generac Mobile Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| P3311 | 5/9 Secondary reference U.S. Government activity |
| P3311 | 3/9 Design control — primary reference C. H. & E. Manufacturing Co. Inc Div Abs Dewatering |
NSN 4320-01-070-3414 is a Valve Flapper,pump, manufactured by Generac Mobile Products, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-070-3414 has 1 manufacturer part number on file: 42677 (Generac Mobile Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-088-9841, 5998-01-327-8405. Verify interchangeability with system specifications before substitution.
Key specifications for 42677: Mounting Hole Quantity: 5; Overall Thickness: 0.188 INCHES NOMINAL IN; Overall Length: 4.750 INCHES NOMINAL IN; Special Features: 2 MAIN MTG HOLES,0.531 IN.DIA,6.500 IN.APART;3 HOLES,0.156 IN.DIA IN. 3 specifications are 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.