The Valve,ball, cataloged under National Stock Number 4810-01-261-7936, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-261-7936 |
| Primary Part Number | B-98-A-2-2-1/2X4-1/2F |
| Item Name | Valve,ball |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) THIRD END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | "Y" ANGLE |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 4.000 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES THIRD END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND THIRD END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 2.500 INCHES THIRD END IN |
| Nominal Thread Size | 4.500 INCHES FIRST END IN |
| Nominal Thread Size | 2.500 INCHES SECOND END IN |
| Surface Treatment | ANODIZE |
| Thread Class | 2B FIRST END |
| Thread Class | 2B SECOND END |
| Thread Class | 2B THIRD END |
| Thread Quantity Per Inch | 14 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Thread Quantity Per Inch | 18 THIRD END |
| Material | RUBBER SEAT |
| Material | ALUMINUM BODY |
| Thread Series Designator | UNS THIRD END |
| Thread Series Designator | UNS FIRST END |
| Thread Series Designator | UNS SECOND END |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| B-98-A-2-2-1/2X4-1/2F PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| B-97A | 3/1 Design control — primary reference Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| B-97A-2-2 1/2F-4 1/2F | 5/9 Secondary reference Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
NSN 4810-01-261-7936 is a Valve,ball, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-261-7936 has 1 manufacturer part number on file: B-98-A-2-2-1/2X4-1/2F (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
Key specifications for B-98-A-2-2-1/2X4-1/2F: Connection Style: PLAIN (TUBE) THIRD END; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Connection Type: THREADED INTERNAL TUBE SECOND END. 29 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.