The Bolt,eye, cataloged under National Stock Number 5306-01-077-8631, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-077-8631 |
| Primary Part Number | 11635958 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Eye Stock Diameter | 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN |
| Thread Length | 0.860 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN |
| Hardness Rating | 85.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Shank Length | 0.920 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN |
| Style Designator | ROUND, CLOSED |
| Material Document and Classification | QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 1.230 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| Eye Inside Diameter | 0.188 INCHES NOMINAL IN |
| Thread Class | 2A 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 |
|---|---|
| 11635958 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 11635958 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5306-01-077-8631 is a Bolt,eye, 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 5306-01-077-8631 has 1 manufacturer part number on file: 11635958 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11635958: Eye Stock Diameter: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN; Thread Length: 0.860 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Hardness Rating: 85.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL; Shank Length: 0.920 INCHES MINIMUM AND 0.960 INCHES MAXIMUM IN. 14 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.