The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-178-9648, 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 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-178-9648 |
| Primary Part Number | ST7M400T1210 |
| 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 |
| 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 | 1.355 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | AMS4967 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.812 INCHES SECOND END IN |
| Nominal Thread Size | 0.844 INCHES FIRST END IN |
| Specification/standard Data | 76301-ST7-400 MANUFACTURERS STANDARD |
| Surface Treatment | LUBRICANT DRY FILM BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | TITANIUM ALLOY UNS R54520 OVERALL |
| Thread Series Designator | UNJEF 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 |
|---|---|
| ST7M400T1210 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| RF5012-10-13 | 5/9 Secondary reference U.S. Government activity |
| RF5012-10-13 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| ST7M400 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-178-9648 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 4730-01-178-9648 has 1 manufacturer part number on file: ST7M400T1210 (The Boeing Company Div Defense).
Key specifications for ST7M400T1210: 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: 1.355 INCHES IN. 17 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.