The Elbow,hose to Boss, cataloged under National Stock Number 4730-01-469-9904, 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 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-469-9904 |
| Primary Part Number | 12421978 |
| Item Name | Elbow,hose to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 PREFORMED PACKING |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | ASTM 8633,TYPEII,CLASSFE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Connection Style | FLARED W/ GASKET SEAT (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | SAE J514 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 2.047 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.3125 INCHES FIRST END IN |
| Nominal Thread Size | 1.3125 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A FIRST END A |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UN 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 |
NSN 4730-01-469-9904 is a Elbow,hose to Boss, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-469-9904 has 2 manufacturer part numbers on file: 12421978 (Amz Alabama Inc.), 12421978 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-482-9343, 4730-01-494-6481. Verify interchangeability with system specifications before substitution.
Key specifications for 12421978: Furnished Items and Quantity: 2 PREFORMED PACKING; Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: ASTM 8633,TYPEII,CLASSFE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: GASKET SEAL (BOSS) ALL ENDS. 21 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.