The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-170-9163, 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 The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-170-9163 |
| Primary Part Number | ST7M400T0604 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING AND 1 FRICTION RING |
| Surface Treatment Document and Classification | EVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | CUSHION SEAL (TUBE) FIRST END |
| Nominal Overall Length | 1.128 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | AMS4967 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Surface Treatment | LUBRICANT DRY FILM BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | TITANIUM ALLOY UNS R54520 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 |
|---|---|
| RF5006-04-13 | Howmet Global Fastening Systems Inc Div Rosan / Eagle Products (USA) |
| ST7M400T0604 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| RF5006-04-13 | 5/9 Secondary reference U.S. Government activity |
| ST7M400 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-170-9163 is a Adapter,straight,tube to Boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-170-9163 has 2 manufacturer part numbers on file: RF5006-04-13 (Howmet Global Fastening Systems Inc Div Rosan / Eagle Products), ST7M400T0604 (The Boeing Company Div Defense).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-172-3376, 4730-01-172-8232, 4730-01-178-9648. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M400T0604: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 FRICTION RING; Surface Treatment Document and Classification: EVERLUBE 620A MFR REF SINGLE TREATMENT RESPONSE BODY A; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: CUSHION SEAL (TUBE) FIRST END. 16 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.