The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-810-3476, 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 Sae International Dba Sae International. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-810-3476 |
| Primary Part Number | MS21915-8-6C |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.469 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material Document and Classification | 66 AISI OR SAE @302 OR 303 OR 304 OR 316 OR 321 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Specification/standard Data | 96906-MS21915 GOVERNMENT STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3B SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| MS21915-8-6C PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS21915-8-6C | 5/9 Secondary reference U.S. Government activity |
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-810-3476 is a Adapter,straight,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-810-3476 has 1 manufacturer part number on file: MS21915-8-6C (Sae International Dba Sae International).
Key specifications for MS21915-8-6C: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Surface Treatment Document and Classification: MIL-F-14072,E300,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END. 17 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.