The Valve,gate, cataloged under National Stock Number 4820-01-128-4539, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-128-4539 |
| Primary Part Number | B14-7054P-02TS-8872-12 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 6.000 INCHES IN |
| Stem Type | RISING |
| Supplementary Features | THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 57574, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984 |
| Connection Type | BUTT WELD PIPE |
| Valve Size | 6.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL SEAT |
| Material | STEEL UNS K03504 BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 8872-12 REV M | Velan Valve Corp. (USA) |
| B14-7054P-02TS-8872-12 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 8872-12REVB-B14-7054P-02TS | 5/9 Secondary reference Sterling Electric Inc Sub of a O Smith Corp |
| B14-7054P-02TS- | C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp. |
| 8872-12 | D/9 Drawing number reference only Velan Valve Corp. |
| 8872-12REV B-B14-7054P-02TS | 5/9 Secondary reference Velan Valve Corp. |
NSN 4820-01-128-4539 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-128-4539 has 2 manufacturer part numbers on file: 8872-12 REV M (Velan Valve Corp.), B14-7054P-02TS-8872-12 (Velan Valve Corp.).
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-143-1415, 4820-01-182-7386, 4820-01-535-6490. Verify interchangeability with system specifications before substitution.
Key specifications for B14-7054P-02TS-8872-12: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 6.000 INCHES IN; Stem Type: RISING; Supplementary Features: THIS ITEM HAS BEEN REVIEWED FOR ASBESTOS MATERIAL. THE CURRENT APPROVED SOURCE, 57574, HAS INDICATED THEIR PART NUMBER CONTAINED ASBESTOS PRIOR TO 1984. THEY CONTINUE TO MANUFACTURE THE SAME PART NUMBER WITHOUT ASBESTOS MATERIAL AFTER 1984. 12 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.