The Bolt,shoulder, cataloged under National Stock Number 5306-01-299-5923, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-299-5923 |
| Primary Part Number | 12577060 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Head Height | 6.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 36.2 MILLIMETERS NOMINAL MM |
| Shoulder Length | 30.2 MILLIMETERS NOMINAL ALL SHOULDERS MM |
| Shoulder Diameter | 12.0 MILLIMETERS NOMINAL ALL SHOULDERS MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 4.0 MILLIMETERS NOMINAL MM |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | ROUND W/WRENCH FLATS CHAMFERED |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 16.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | ISO M |
| Head Diameter | 20.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| K-899 | Elbit Systems C4i and Cyber Ltd Div C4i and Cyber (ISR) |
| 12577060 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 12577060 | 5/9 Secondary reference Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| K-899 | 5/9 Secondary reference Soltam Systems Ltd. Dba Soltam Ltd. |
| K-899 | 5/9 Secondary reference Soltam Systems Ltd. |
NSN 5306-01-299-5923 is a Bolt,shoulder, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-299-5923 has 2 manufacturer part numbers on file: K-899 (Elbit Systems C4i and Cyber Ltd Div C4i and Cyber), 12577060 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12577060: Head Height: 6.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: 6G G; Fastener Length: 36.2 MILLIMETERS NOMINAL MM; Shoulder Length: 30.2 MILLIMETERS NOMINAL ALL SHOULDERS MM. 16 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.