The Nipple,tube, cataloged under National Stock Number 4730-00-103-4881, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-103-4881 |
| Primary Part Number | SS49TB815-4-16W |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 1.250 INCHES IN |
| Criticality Code Justification | FEAT |
| Style Designator | FLARED W/ CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Reduced Passage Nominal Inside Diameter | 0.040 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SS49TB815-4-16W PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| SS49TB815-4-16W | E O Manufacturing Company, Inc. (USA) |
| SS49TB815-4-16W | Engineered Metal Products Inc (USA) |
| 5549TB815-4-16W | Stevens Manufacturing Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| SS49 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 4730PL1937534 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-00-103-4881 is a Nipple,tube, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-103-4881 has 4 manufacturer part numbers on file: SS49TB815-4-16W (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS49TB815-4-16W (E O Manufacturing Company, Inc.), SS49TB815-4-16W (Engineered Metal Products Inc), 5549TB815-4-16W (Stevens Manufacturing Co., Inc.).
Key specifications for SS49TB815-4-16W: Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.250 INCHES IN; Criticality Code Justification: FEAT. 13 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.