The Cross,boss, cataloged under National Stock Number 4730-00-538-6741, 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 13 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-538-6741 |
| Primary Part Number | AS5193K12 |
| Item Name | Cross,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.359 INCHES MINIMUM AND 1.452 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| 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 |
|---|---|
| AS5193K12 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS5193 | 5/9 Secondary reference U.S. Government activity |
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| AS5193K12 | 5/9 Secondary reference U.S. Government activity |
| AN937K12 | 5/9 Secondary reference U.S. Government activity |
| AS4875 | 5/9 Secondary reference Sae International Dba Sae International |
| AS5193 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS4875 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-538-6741 is a Cross,boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-538-6741 has 1 manufacturer part number on file: AS5193K12 (Sae International Dba Sae International).
3 possible matches (shared part number, not a government interchangeability claim): 4730-00-720-0216, 4730-00-720-0862, 4730-01-527-4991. Verify interchangeability with system specifications before substitution.
Key specifications for AS5193K12: Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Type: THREADED INTERNAL BOSS FIRST END; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.