The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-904-4548, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-904-4548 |
| Primary Part Number | 1S10 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.172 INCHES ALL ENDS IN |
| Leg Length | 0.407 INCHES NOMINAL IN |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Thread Series Designator | NPTF 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 |
|---|---|
| BST-1M | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| 1S10 PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| 12MS | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| 10188635 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| BST-1M | 5/9 Secondary reference U.S. Government activity |
| 1259-0002 | 5/9 Secondary reference Pace, Incorporated Dba Pace Worldwide Inc. |
| SU101-10 | 5/9 Secondary reference Pace, Incorporated Dba Pace Worldwide Inc. |
NSN 4730-00-904-4548 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-904-4548 has 4 manufacturer part numbers on file: BST-1M (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 1S10 (Tuthill Corp Hansen Coupling Div), 12MS (Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co), 10188635 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4630-01-371-2668. Verify interchangeability with system specifications before substitution.
Key specifications for 1S10: Connection Style: PLAIN ALL ENDS; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 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.