The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-559-4862, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-559-4862 |
| Primary Part Number | 70400-26802-103 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Head Height | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Head Style | CROWNED HEXAGON |
| Grip Length | 2.375 INCHES NOMINAL IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BEARING SURFACE OF HEAD |
| Minimum Tensile Strength | 575 POUNDS PER SQUARE INCH LBS |
| Material | STEEL CORROSION RESISTING HEAD |
| Material | STEEL CORROSION RESISTING SPRING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 70400-26802-103 | Transaero, Inc. (USA) |
| SLB163-103 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| 70400-26802-103 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| AS422-103 | 3/9 Design control — primary reference U.S. Government activity |
| 5306PL1939725 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-559-4862 is a Bolt,close Tolerance, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-559-4862 has 3 manufacturer part numbers on file: 70400-26802-103 (Transaero, Inc.), SLB163-103 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), 70400-26802-103 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70400-26802-103: Head Height: 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Head Style: CROWNED HEXAGON; Grip Length: 2.375 INCHES NOMINAL IN; Width Between Flats: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN. 9 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.