The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-924-7698, 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 15 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-924-7698 |
| Primary Part Number | MS21915K12-10 |
| 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 |
| Nominal Overall Length | 1.891 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES SECOND END IN |
| Specification/standard Data | 81343-SAE AS21915 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| MS21915K12-10 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS21915 | 5/9 Secondary reference Sae International Dba Sae International |
| MS21915K12-10 | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 5/9 Secondary reference U.S. Government activity |
| MS21915-12-10C | 5/9 Secondary reference U.S. Government activity |
| AS21915 | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-924-7698 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 4730-00-924-7698 has 1 manufacturer part number on file: MS21915K12-10 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-978-6973. Verify interchangeability with system specifications before substitution.
Key specifications for MS21915K12-10: Nominal Overall Length: 1.891 INCHES IN; Connection Type: THREADED INTERNAL BOSS FIRST END; Connection Type: THREADED EXTERNAL BOSS SECOND END; Material Document and Classification: 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.