The Hydrant,ground,backflow, cataloged under National Stock Number 4510-01-187-1237, is classified within Federal Supply Class 4510 (Plumbing Fixtures and Accessories) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Zurn Industries 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4510-01-187-1237 |
| Primary Part Number | HY-2849-05-VB |
| Item Name | Hydrant,ground,backflow |
| FSC / FSG | 4510 / 45 — Plumbing Fixtures and Accessories |
| Manufacturer | Zurn Industries Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL,BRASS; 5 FOOT BURYING DEPTH; 1.000 IN. GALVANIZED PIPE; 0.750 IN. INLET; FEMALE PIP THD; NOZZLE OUTLET 0.750 IN THD; LEVER CONTROL ACTION; SHUTOFF VALVE BELOW FROST LINE 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 |
|---|---|
| HY-2849-05-VB | Zurn Industries Inc (USA) |
| 4728K74 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| Y34B | 5/9 Secondary reference Woodford Mfg Co |
| Y34-5 | 3/9 Design control — primary reference Woodford Mfg Co |
| 4728K24 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 4510-01-187-1237 is a Hydrant,ground,backflow, manufactured by Zurn Industries Inc, classified under FSC 4510, Plumbing Fixtures and Accessories. Status: active.
NSN 4510-01-187-1237 has 2 manufacturer part numbers on file: HY-2849-05-VB (Zurn Industries Inc), 4728K74 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 6230-01-621-0308. Verify interchangeability with system specifications before substitution.
Key specifications for HY-2849-05-VB: General Characteristics Item Description: MATERIAL,BRASS; 5 FOOT BURYING DEPTH; 1.000 IN. GALVANIZED PIPE; 0.750 IN. INLET; FEMALE PIP THD; NOZZLE OUTLET 0.750 IN THD; LEVER CONTROL ACTION; SHUTOFF VALVE BELOW FROST LINE IN; End Item Identification: WATER SUPPLY SYSTEM. 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.