The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-300-7703, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-300-7703 |
| Primary Part Number | 70400-26802-101 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| Thread Length | 0.658 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 70400-26802-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70400-26802-101 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| AS422-101 | 5/9 Secondary reference U.S. Government activity |
| SL8163-101 | 5/1 Secondary reference Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| AS616-101 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-300-7703 is a Bolt,close Tolerance, manufactured by Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-300-7703 has 2 manufacturer part numbers on file: 70400-26802-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70400-26802-101 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for 70400-26802-101: Thread Length: 0.658 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Thread Class: 3A A; End Item Identification: SH-60B ACFT. 6 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.