The Reducer,boss, cataloged under National Stock Number 4730-00-187-0489, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-187-0489 |
| Primary Part Number | AS5174-1212 |
| Item Name | Reducer,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) ALL ENDS |
| Nominal Overall Length | 2.109 INCHES IN |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Style Designator | FLARED W/ CENTER WRENCHING FACILITY |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Specification/standard Data | 88044-AN815 GOVERNMENT STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL COMP 1137 OR STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 1141 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| AN815-12 | Satair A/s (DNK) |
| AS5174-1212 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AN815-12 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| AS5174-1212 | 5/9 Secondary reference U.S. Government activity |
| AN815-12 | 5/9 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| AS4841 | 5/9 Secondary reference Sae International Dba Sae International |
| AN815-12 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| AN815-12 | 5/9 Secondary reference Hydro-Fitting Manufacturing Corporation |
| AS4841 | 5/9 Secondary reference U.S. Government activity |
| 4730001870489 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| AN815-12 | 5/9 Secondary reference U.S. Government activity |
| AN815-12 | 5/9 Secondary reference Crown Fitting Co Inc |
| AN815-12 | 5/9 Secondary reference Collins Engineering Corp |
| AN815-12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-00-187-0489 is a Reducer,boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-187-0489 has 2 manufacturer part numbers on file: AN815-12 (Satair A/s), AS5174-1212 (Sae International Dba Sae International).
Key specifications for AS5174-1212: Furnished Items and Quantity: 2 PREFORMED PACKING; Connection Style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS; Nominal Overall Length: 2.109 INCHES IN; Criticality Code Justification: FEAT. 14 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.