The Bolt,machine, cataloged under National Stock Number 5306-01-616-3918, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-616-3918 |
| Primary Part Number | 6736617-12 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES HEAD |
| Surface Finish | 125.0 MICROINCHES BEARING SURFACE OF HEAD |
| Surface Finish | 125.0 MICROINCHES THREADS |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | BLACK OXIDE PER AMS2485 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Material Document and Classification | LOW ALLOY STEEL PER AMS6322(UNS G87400) NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Features Provided | DRY FILM LUBRICANT |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 81343-SAE AS91711 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 0.3750 INCHES NOMINAL IN |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 6736617-12 PRIMARY | Naval Sea Systems Command (USA) |
| 6736617-12 | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
| Reference | Meaning |
|---|---|
| 6736617 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5306-01-616-3918 is a Bolt,machine, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-616-3918 has 2 manufacturer part numbers on file: 6736617-12 (Naval Sea Systems Command), 6736617-12 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
4 possible matches (shared part number, not a government interchangeability claim): 5306-01-616-3943, 5306-01-616-4012, 5306-01-616-4636. Verify interchangeability with system specifications before substitution.
Key specifications for 6736617-12: Surface Finish: 125.0 MICROINCHES HEAD; Surface Finish: 125.0 MICROINCHES BEARING SURFACE OF HEAD; Surface Finish: 125.0 MICROINCHES THREADS; Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. 25 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.