The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-117-9741, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-117-9741 |
| Primary Part Number | 2171053 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Fastener Length | 11.000 INCHES NOMINAL IN |
| Thread Length | 0.922 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Grip Length | 9.594 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 2171053 | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2171053 | 3/9 Design control — primary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| DRP-16110 PC 13 | C/1 Advisory reference — outside the item-of-supply concept Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
NSN 5306-01-117-9741 is a Bolt,close Tolerance, manufactured by Fairbanks Morse, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-117-9741 has 1 manufacturer part number on file: 2171053 (Fairbanks Morse, Llc).
Key specifications for 2171053: Fastener Length: 11.000 INCHES NOMINAL IN; Thread Length: 0.922 INCHES NOMINAL IN; Nominal Thread Diameter: 0.875 INCHES IN; Thread Direction: RIGHT-HAND. 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.