The Bolt,eye, cataloged under National Stock Number 5306-00-185-9489, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-185-9489 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Eye Stock Diameter | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Thread Length | 1.120 INCHES MINIMUM IN |
| Shank Length | 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZW |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Document | CERTIFIED FREE FROM MERCURY CONTAMINATION |
| Distance From Center of Eye to Shank End | 2.780 INCHES MINIMUM AND 3.095 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.880 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Shoulder Thickness | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Eye Inside Diameter | 1.120 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 2.120 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 | Y |
| Reference | Meaning |
|---|---|
| MS51937-5 | 4/1 Identification reference U.S. Government activity |
| 909A108 | C/1 Advisory reference — outside the item-of-supply concept Westinghouse Electric Corp |
NSN 5306-00-185-9489 is a Bolt,eye, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5306-01-081-6089, 5306-01-124-0504, 5306-01-198-0245. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-185-9489: Eye Stock Diameter: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Length: 1.120 INCHES MINIMUM IN; Shank Length: 1.500 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN; Criticality Code Justification: ZZZW. 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.