The Coupling,stop,hinge, cataloged under National Stock Number 3010-01-479-4685, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-479-4685 |
| Primary Part Number | 124-1553928 PC 12 |
| Item Name | Coupling,stop,hinge |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 4.250 INCHES NOMINAL IN |
| General Characteristics Item Description | 2.500 IN. NOM. DIA. BORE, 3.750 IN. NOM. OD 2ND END. INTERNAL KEYWAY THROUGHOUT LENGTH OF BORE. DRILLED FOR SETSCREW IN |
| Functional Description | UPPER STOP, USED TO SECURE HINGE PAD (DOOR) ON PIPE. PART OF HINGED BALLISTIC DOOR |
| Material | STEEL |
| 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 |
|---|---|
| 124-1553928 PC 12 PRIMARY | Naval Sea Systems Command (USA) |
| 124-1553927 PART NO. 51 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1553928 | D/9 Drawing number reference only Naval Sea Systems Command |
| 1553927 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3010-01-479-4685 is a Coupling,stop,hinge, manufactured by Naval Sea Systems Command, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-479-4685 has 2 manufacturer part numbers on file: 124-1553928 PC 12 (Naval Sea Systems Command), 124-1553927 PART NO. 51 (Naval Sea Systems Command).
Key specifications for 124-1553928 PC 12: Overall Diameter: 4.250 INCHES NOMINAL IN; General Characteristics Item Description: 2.500 IN. NOM. DIA. BORE, 3.750 IN. NOM. OD 2ND END. INTERNAL KEYWAY THROUGHOUT LENGTH OF BORE. DRILLED FOR SETSCREW IN; Overall Length: 3.625 INCHES NOMINAL IN; Functional Description: UPPER STOP, USED TO SECURE HINGE PAD (DOOR) ON PIPE. PART OF HINGED BALLISTIC DOOR. 4 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.