The Coupling,tube, cataloged under National Stock Number 4730-00-008-9857, 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 B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-008-9857 |
| Primary Part Number | BACU24BK16J |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | MIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | SWAGED W/ GROOVES (TUBE) ALL ENDS |
| Nominal Overall Length | 3.202 INCHES IN |
| Style Designator | SWAGED BOTH ENDS |
| Material Document and Classification | AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Material | STEEL COMP XM-10 OVERALL |
| 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 |
|---|---|
| ST57D92-5 | Lockheed Martin Corp (USA) |
| H10036-16 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| BACU24BK16J | The Boeing Company (USA) |
| D10036-16 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| BACU24BK16J PRIMARY | B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc (USA) |
| 12709807-5 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| AC1050C16 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| ST7M190-16 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST7M190 | 5/1 Secondary reference The Boeing Company Div Defense |
| LD83020-16 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| H10036-16 | 5/9 Secondary reference Stanley Harrison Corporation |
| 4730PL1704524 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AC1000C16 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| D10036-16 | 5/9 Secondary reference Lockheed Martin Corp |
| 10111267 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4730PL0933511 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-00-008-9857 is a Coupling,tube, manufactured by B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-008-9857 has 8 manufacturer part numbers on file: ST57D92-5 (Lockheed Martin Corp), H10036-16 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), BACU24BK16J (The Boeing Company), D10036-16 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), BACU24BK16J (B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc) and 3 more.
5 possible matches (shared part number, not a government interchangeability claim): 4730-00-009-3386, 4730-00-293-3998, 4730-00-490-2994. Verify interchangeability with system specifications before substitution.
Key specifications for BACU24BK16J: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE; Surface Treatment Document and Classification: MIL-F-14072,E300,TY2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE; Connection Style: SWAGED W/ GROOVES (TUBE) ALL ENDS; Nominal Overall Length: 3.202 INCHES IN. 10 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.