The Valve Coupler, cataloged under National Stock Number 4930-00-973-2589, is classified within Federal Supply Class 4930 (Lubrication and Fuel Dispensing Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Dover Fluid Management, Inc. Div Dover Resources Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4930-00-973-2589 |
| Primary Part Number | 77BN-2X1.5AL |
| Item Name | Valve Coupler |
| FSC / FSG | 4930 / 49 — Lubrication and Fuel Dispensing Equipment |
| Manufacturer | Dover Fluid Management, Inc. Div Dover Resources Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 2 BY 1-1/2,NON RISING STEM,W/2 IN.MALE ADAPTER 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 |
|---|---|
| 77BN-2X1-1/2AL | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| 77BN-2X1.5AL PRIMARY | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| Reference | Meaning |
|---|---|
| 77BN-2X1-1/2AL | 5/9 Secondary reference U.S. Government activity |
| 13216E9190 | D/9 Drawing number reference only U.S. Government activity |
| 77BN-2X1.5AL | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 77BN2X1-1-2 | 5/9 Secondary reference U.S. Government activity |
| DWG5-14-670 | 5/9 Secondary reference U.S. Government activity |
| 77BN-2X1-1/2AL | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 77BN2X1-1-2 | 5/9 Secondary reference Dover Resources Inc Dba Opw Engineered Systems |
| 77BN-2X1.5AL | 5/9 Secondary reference U.S. Government activity |
NSN 4930-00-973-2589 is a Valve Coupler, manufactured by Dover Fluid Management, Inc. Div Dover Resources Inc., classified under FSC 4930, Lubrication and Fuel Dispensing Equipment. Status: active.
NSN 4930-00-973-2589 has 2 manufacturer part numbers on file: 77BN-2X1-1/2AL (Dover Fluid Management, Inc. Div Dover Resources Inc.), 77BN-2X1.5AL (Dover Fluid Management, Inc. Div Dover Resources Inc.).
Key specifications for 77BN-2X1.5AL: General Characteristics Item Description: 2 BY 1-1/2,NON RISING STEM,W/2 IN.MALE ADAPTER 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.