The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-124-0277, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-124-0277 |
| Primary Part Number | 8323-4-4-S |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydrasearch Company, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 1 PREFORMED PACKING AND 1 FLAT WASHER |
| Flow Angle | 90.0 DEGREES |
| Connection Style | SOCKET (TUBE) FIRST END |
| Union Joint Location | FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.188 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.125 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A SECOND END A |
| Material | STEEL COMP 1117 NUT |
| Material | STEEL COMP 1117 BODY |
| Material | STEEL COMP 1018 TAILPIECE |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 8323-4-4-S PRIMARY | Hydrasearch Company, Llc (USA) |
| 023-10677 | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4730PL0990794 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H823-4-4S | 3/2 Design control — primary reference U.S. Government activity |
| A-9535 | D/9 Drawing number reference only U.S. Government activity |
| H823-4-4-S | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-124-0277 is a Elbow,tube to Boss, manufactured by Hydrasearch Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-124-0277 has 2 manufacturer part numbers on file: 8323-4-4-S (Hydrasearch Company, Llc), 023-10677 (Johnson Controls Navy Systems, Llc).
Key specifications for 8323-4-4-S: Furnished Items and Quantity: 1 LOCKNUT AND 1 PREFORMED PACKING AND 1 FLAT WASHER; Flow Angle: 90.0 DEGREES; Connection Style: SOCKET (TUBE) FIRST END; Union Joint Location: FIRST END. 18 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.