The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-172-9105, 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 Fluid Power Components Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-172-9105 |
| Primary Part Number | 181-5354 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fluid Power Components Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 TUBE COUPLING NUT W/SLEEVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 2.063 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| 181-5354 | Fluid Power Components Inc (USA) |
| Reference | Meaning |
|---|---|
| H859-10-10-SS | 3/2 Design control — primary reference U.S. Government activity |
| 0451C0029-4 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
| 181-6100 ITEM 7 | 5/9 Secondary reference Fluid Power Components Inc |
| 181-6100 | D/9 Drawing number reference only Fluid Power Components Inc |
| H859T-10-10-SS | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-172-9105 is a Adapter,straight,tube to Boss, manufactured by Fluid Power Components Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-172-9105 has 1 manufacturer part number on file: 181-5354 (Fluid Power Components Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-172-9106, 1285-01-352-7214. Verify interchangeability with system specifications before substitution.
Key specifications for 181-5354: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 TUBE COUPLING NUT W/SLEEVE; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 2.063 INCHES IN. 11 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.