The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-171-8672, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aerospace Limited. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-171-8672 |
| Primary Part Number | ACO44097 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Meggitt Aerospace Limited |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.920 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DTD904 FSCM K1037 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Material Document and Classification | BS S154 FSCM K1037 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| ACO44097 PRIMARY | Meggitt Aerospace Limited (GBR) |
NSN 5306-01-171-8672 is a Bolt,externally Relieved Body, manufactured by Meggitt Aerospace Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-171-8672 has 1 manufacturer part number on file: ACO44097 (Meggitt Aerospace Limited).
Key specifications for ACO44097: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.920 INCHES NOMINAL IN; Surface Treatment Document and Classification: DTD904 FSCM K1037 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN. 18 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.