The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-288-0572, 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 A and M Aerospace, Inc.. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-288-0572 |
| Primary Part Number | 1284725-105 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | A and M Aerospace, Inc. |
| Status | ACTIVE |
| First End Thread Series Designator | UNF |
| First End Thread Direction | RIGHT-HAND |
| Second End Thread Quantity Per Inch | 28 |
| Second End Nominal Thread Size | 0.250 INCHES IN |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 3.850 INCHES MINIMUM AND 3.865 INCHES MAXIMUM IN |
| Second End Thread Class | 3B |
| Surface Treatment Document and Classification | LC+77-1036 FSCM 36659 MFR REF 1ST TREATMENT RESPONSE AND LC+772035 FSCM 36659 MFR REF 2ND TREATMENT RESPONSE |
| Body Style | SHOULDER |
| First End Thread Class | 3A A |
| Cotter Pin Hole Diameter | 0.155 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| First End Thread Quantity Per Inch | 12 |
| Second Diameter From Wrenching Feature | 0.534 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN |
| Concentric Hole Depth | 6.100 INCHES NOMINAL IN |
| Wrenching Feature Height | 0.250 INCHES NOMINAL IN |
| Second End Thread Series Designator | UNF |
| First End Thread Length | 0.640 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Material Document and Classification | C-05-1190 FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE |
| Second End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of Second Diameter | 4.035 INCHES MINIMUM AND 4.050 INCHES MAXIMUM IN |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 4.510 INCHES MINIMUM AND 4.545 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Distance From Bolt End to Hole Center | 0.256 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMIUM |
| Minimum Tensile Strength | 270000 POUNDS PER SQUARE INCH LBS |
| First Radial Fluid Hole Diameter | 0.124 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Test Data Document | 36659-LC+72-1076 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Distance From First Radial Hole Center to End of Bolt | 4.140 INCHES MINIMUM AND 4.185 INCHES MAXIMUM IN |
| Material | STEEL |
| Second End Thread Length | 0.180 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 |
|---|---|
| 1284725-105 | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1284725-101 | 5/9 Secondary reference U.S. Government activity |
| 1284725-105 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-288-0572 is a Bolt,fluid Passage, manufactured by A and M Aerospace, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-288-0572 has 1 manufacturer part number on file: 1284725-105 (A and M Aerospace, Inc.).
Key specifications for 1284725-105: First End Thread Series Designator: UNF; First End Thread Direction: RIGHT-HAND; Second End Thread Quantity Per Inch: 28; Second End Nominal Thread Size: 0.250 INCHES IN. 29 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.