The Nipple,tube, cataloged under National Stock Number 4730-00-800-9872, 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 The Boeing Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-800-9872 |
| Primary Part Number | 4550-313051 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company |
| Status | CANCELLED |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 1.734 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARED W/ BULKHEAD THREAD |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES CENTER BULKHEAD IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Specification/standard Data | 96906-MS24393 GOVERNMENT STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 3A CENTER BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) CENTER BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4550-313051 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| AS5406-08MOD | 5/9 Secondary reference U.S. Government activity |
| MS24393-8 | 5/9 Secondary reference U.S. Government activity |
| 4730008009872 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| MS24393-8MOD | 5/9 Secondary reference U.S. Government activity |
| AS5406-08MOD | 5/1 Secondary reference Sae International Dba Sae International |
| MS24393-8 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
NSN 4730-00-800-9872 is a Nipple,tube, manufactured by The Boeing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-800-9872 has 1 manufacturer part number on file: 4550-313051 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-154-3175. Verify interchangeability with system specifications before substitution.
Key specifications for 4550-313051: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.734 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 19 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.
NSN 4730-00-800-9872 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.