The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-254-4508, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-254-4508 |
| Primary Part Number | 8323-12-16-SS |
| 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 BULKHEAD NUT AND 1 PREFORMED PACKING AND 1 TUBE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.028 INCHES FIRST END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | UNABLE TO DECODE |
| Material Document and Classification | ASTM A276 UNS S30400 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | ASTM A276 UNS S31600 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A276 UNS S31600 ASSN STD SINGLE MATERIAL RESPONSE TAILPIECE |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.062 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.688 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.312 INCHES SECOND END IN |
| Sweep Type | SHORT |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | PASSIVATE OVERALLUNABLE TO DECODE |
| Surface Treatment | PASSIVATE OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSEUNABLE TO DECODE |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | STEEL COMP 316 BODY |
| Material | STEEL COMP 304 NUT |
| Material | STEEL COMP 316 TAILPIECE |
| 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 |
|---|---|
| 8323-12-16-SS PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| H823-12-16-SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-254-4508 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 4730-01-254-4508 has 1 manufacturer part number on file: 8323-12-16-SS (Hydrasearch Company, Llc).
Key specifications for 8323-12-16-SS: Furnished Items and Quantity: 1 BULKHEAD NUT AND 1 PREFORMED PACKING AND 1 TUBE COUPLING NUT; Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLUNABLE TO DECODE. 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.