The Nipple,pipe, cataloged under National Stock Number 4730-01-577-1669, 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 Pierce Manufacturing Inc. Government technical data includes 2 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. 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 | 4730-01-577-1669 |
| Primary Part Number | 1655410 |
| Item Name | Nipple,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pierce Manufacturing Inc |
| Status | ACTIVE |
| Nominal Length | 4.000 INCHES ALL ENDS IN |
| Nominal Width | 0.500 INCHES ALL ENDS 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 |
|---|---|
| 1655410 PRIMARY | Pierce Manufacturing Inc (USA) |
NSN 4730-01-577-1669 is a Nipple,pipe, manufactured by Pierce Manufacturing Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-577-1669 has 1 manufacturer part number on file: 1655410 (Pierce Manufacturing Inc).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-700-5594. Verify interchangeability with system specifications before substitution.
Key specifications for 1655410: Nominal Length: 4.000 INCHES ALL ENDS IN; Nominal Width: 0.500 INCHES ALL ENDS IN; Part Name Assigned by Controlling Agency: NIPPLE, PIPE; End Item Identification: 2320-01-528-6294. 2 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.