The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-646-1306, 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. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); Sps Technologies, Llc Dba PB Fasteners (CAGE 56878); Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (CAGE 57928); Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (CAGE 06725); M.s. Aerospace Inc. Dba Ms Aerospace Inc (CAGE 0UCY9) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-646-1306 |
| Primary Part Number | JSFB11-5-18 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFB11-5-18 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| JSFB11-5-18 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| JSFB11-5-18 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| JSFB11-5-18 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| JSFB11-5-18 PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| JSFB11-5-18 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5306-01-646-1306 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 5306-01-646-1306 has 5 manufacturer part numbers on file: JSFB11-5-18 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), JSFB11-5-18 (Sps Technologies, Llc Dba PB Fasteners), JSFB11-5-18 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), JSFB11-5-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), JSFB11-5-18 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
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.