The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-776-7928, 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 Renk America Llc Div Renk America. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-776-7928 |
| Primary Part Number | 7767928 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| Width Across Flats | 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.280 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 20 |
| First End Style Designator | PLAIN |
| Concentric Hole Depth | 1.750 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| First End Thread Length | 0.600 INCHES NOMINAL IN |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | QQ-S-637,COMP 1137 OR 1141,COND AA FED SPEC SINGLE MATERIAL RESPONSE |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 2.000 INCHES NOMINAL IN |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Concentric Hole Diameter | 0.311 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| First Radial Fluid Hole Diameter | 0.248 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Distance From First Radial Hole Center to End of Bolt | 1.620 INCHES NOMINAL IN |
| Material | STEEL |
| Second Radial Fluid Hole Diameter | 0.248 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Distance From Second Radial Hole Center to End of Bolt | 1.120 INCHES NOMINAL IN |
| First Diameter From Wrenching Feature | 0.548 INCHES MINIMUM AND 0.552 INCHES MAXIMUM IN |
| First End Nominal Thread Size | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-00-776-7928 is a Bolt,fluid Passage, manufactured by Renk America Llc Div Renk America, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-776-7928 has 2 manufacturer part numbers on file: 7767928 (Renk America Llc Div Renk America), 7767928 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 1377-01-353-1154. Verify interchangeability with system specifications before substitution.
Key specifications for 7767928: First End Thread Series Designator: UNF; Width Across Flats: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.280 INCHES NOMINAL IN. 24 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.