The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-131-3843, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-131-3843 |
| Primary Part Number | AE88776K |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | FLARED ALL ENDS |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Quick Disconnect Nominal Size | 0.750 INCHES ALL ENDS IN |
| Features Provided | SELF-SEALING |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES |
| Surface Treatment | PASSIVATE BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 12 FIRST QUICK DISCONNECT END |
| Material | STEEL BODY |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| ST7M416N12M-1 | The Boeing Company Div Defense (USA) |
| AE88776K PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 10108700 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M416 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-131-3843 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-131-3843 has 2 manufacturer part numbers on file: ST7M416N12M-1 (The Boeing Company Div Defense), AE88776K (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-131-3844, 4730-01-135-0179. Verify interchangeability with system specifications before substitution.
Key specifications for AE88776K: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: FLARED ALL ENDS; Criticality Code Justification: FEAT; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. 18 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.