The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-417-5938, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-417-5938 |
| Primary Part Number | AP305P0406 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Nominal Overall Length | 1.119 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | STEEL COMP XM-12 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| R44181P-0406 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP305P0406 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| ST7M208P0406 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST7M208 | D/9 Drawing number reference only The Boeing Company Div Defense |
| AE16281-4-6 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| TF305P0406 | 5/9 Secondary reference Smiths Tubular Systems-Laconia, Inc. |
NSN 4730-01-417-5938 is a Adapter,straight,tube to Boss, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-417-5938 has 3 manufacturer part numbers on file: R44181P-0406 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP305P0406 (Sps Technologies, Llc Dba Airdrome Precision Components), ST7M208P0406 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-706-4445. Verify interchangeability with system specifications before substitution.
Key specifications for AP305P0406: Furnished Items and Quantity: 1 PREFORMED PACKING; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Nominal Overall Length: 1.119 INCHES IN. 15 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.