The Bolt,machine, cataloged under National Stock Number 5306-00-808-9833, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lamson and Sessions Co the. Government technical data includes 18 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-808-9833 |
| Primary Part Number | MS20035-12 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lamson and Sessions Co the |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Fastener Length | 1.812 INCHES NOMINAL IN |
| Special Test Features | RUPTURE STRENGTH AT 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HOURS DEGF |
| Thread Length | 0.562 INCHES MINIMUM IN |
| Material Document and Classification | MIL-B-7874 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.250 INCHES NOMINAL IN |
| Width Between Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 110000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 90000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| MS20035-12 | Lamson and Sessions Co the (USA) |
| MS20035-12 | Howmet Global Fastening Systems Inc (USA) |
| MS20035-12 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| LE20035-12 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| MS20035-12 | 5/9 Secondary reference U.S. Government activity |
| NASM7874 | 3/1 Design control — primary reference U.S. Government activity |
| MS20035-12 | 5/9 Secondary reference U.S. Government activity |
| MS20035-12 | 5/2 Secondary reference U.S. Government activity |
| MS20035-12 | 3/2 Design control — primary reference U.S. Government activity |
| MS20035-12 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| MS20035-12 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-808-9833 is a Bolt,machine, manufactured by Lamson and Sessions Co the, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-808-9833 has 3 manufacturer part numbers on file: MS20035-12 (Lamson and Sessions Co the), MS20035-12 (Howmet Global Fastening Systems Inc), MS20035-12 (Huck International, Inc).
Key specifications for MS20035-12: Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Fastener Length: 1.812 INCHES NOMINAL IN; Special Test Features: RUPTURE STRENGTH AT 1200 DEG F SHALL NOT BE LESS THAN 47000 PSI IN 100 HOURS DEGF; Thread Length: 0.562 INCHES MINIMUM 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.