The Bolt,eye, cataloged under National Stock Number 5306-00-515-7253, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Crosby Group Llc Dba the Crosby Group. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-515-7253 |
| Primary Part Number | G277 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| Eye Stock Diameter | 0.375 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Shank Length | 3.250 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.250 INCHES NOMINAL IN |
| Shoulder Diameter | 0.906 INCHES NOMINAL IN |
| Shoulder Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Eye Inside Diameter | 1.000 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 1.750 INCHES NOMINAL 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 |
|---|---|
| 12615254-2 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| G277 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| 60-01-6866 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 21C1545-013 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-515-7253 is a Bolt,eye, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-515-7253 has 2 manufacturer part numbers on file: 12615254-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), G277 (The Crosby Group Llc Dba the Crosby Group).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-913-3484, 6515-01-204-5362. Verify interchangeability with system specifications before substitution.
Key specifications for G277: Eye Stock Diameter: 0.375 INCHES NOMINAL IN; Thread Length: 1.500 INCHES MINIMUM IN; Shank Length: 3.250 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED W/SHOULDER. 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.