The Retainer,seat,valve, cataloged under National Stock Number 4810-01-666-7137, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is B N L Industries Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | B N L Industries Inc (CAGE 0AZ22) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-666-7137 |
| Primary Part Number | EBV-F2-20-0102-05 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | B N L Industries Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| EBV-F2-20-0102 NO.5 | B N L Industries Inc (USA) |
| EBV-F2-20-0102-05 PRIMARY | B N L Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| EBV-F2-20-0102 | D/9 Drawing number reference only B N L Industries Inc |
NSN 4810-01-666-7137 is a Retainer,seat,valve, manufactured by B N L Industries Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-666-7137 has 2 manufacturer part numbers on file: EBV-F2-20-0102 NO.5 (B N L Industries Inc), EBV-F2-20-0102-05 (B N L Industries Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4810-01-666-7196, 5330-01-666-7348, 4820-01-666-7538. Verify interchangeability with system specifications before substitution.
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.