The Bolt,fluid Passage, cataloged under National Stock Number 4730-01-355-9040, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-355-9040 |
| Primary Part Number | 12553427 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 6.630 INCHES NOMINAL IN |
| Body Style | PLAIN |
| Concentric Hole Depth | 3.120 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.120 INCHES NOMINAL IN |
| Hardness Rating | 35.0 ROCKWELL C NOMINAL |
| Wrenching Feature Style | ROUND |
| First End Seat Angle | 63.0 DEGREES NOMINAL |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 6.630 INCHES NOMINAL IN |
| Concentric Hole Diameter | 0.125 INCHES NOMINAL IN |
| First Radial Fluid Hole Diameter | 1.440 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 2.880 INCHES NOMINAL IN |
| Material | STEEL COMP 8620 |
| First Diameter From Wrenching Feature | 3.510 INCHES NOMINAL IN |
| Head Diameter | 2.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| T12553427 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 12553427 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 12553427 | 5/1 Secondary reference Sertech Laboratories Inc/ Micro Uspd Dba Microsemi Corp Div Microsemi Watertown |
NSN 4730-01-355-9040 is a Bolt,fluid Passage, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-355-9040 has 2 manufacturer part numbers on file: T12553427 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 12553427 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12553427: Length From Bearing Surface of Wrenching Feature to End of First Diameter: 6.630 INCHES NOMINAL IN; Body Style: PLAIN; Concentric Hole Depth: 3.120 INCHES NOMINAL IN; Wrenching Feature Height: 0.120 INCHES NOMINAL IN. 14 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.