The Tailpiece,union, cataloged under National Stock Number 4730-01-149-5713, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-149-5713 |
| Primary Part Number | 845-4775990 PIECE 35MOD |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Nominal Pipe Size Designation | 1.500 INCHES IN |
| Strength Rating | ERR-060 |
| Flange Thickness | 0.360 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| End Connection Type | WELDED |
| Seat Type | RECESSED FACE |
| Material | STEEL COMP 304 |
| Flange Outside Diameter | 2.938 INCHES MINIMUM AND 2.953 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 845-4775990 PIECE 35MOD PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2621-791-05ASSY35 | 5/2 Secondary reference U.S. Government activity |
| 845-4775990 PC | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 845-4775990 PIE | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
| 845 4775990PC35 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-149-5713 is a Tailpiece,union, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-149-5713 has 1 manufacturer part number on file: 845-4775990 PIECE 35MOD (Naval Inventory Control Point Mechanicsburg).
Key specifications for 845-4775990 PIECE 35MOD: Nominal Pipe Size Designation: 1.500 INCHES IN; Strength Rating: ERR-060; Flange Thickness: 0.360 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN; End Connection Type: WELDED. 7 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.