The Bolt,eye, cataloged under National Stock Number 5306-00-272-2131, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-272-2131 |
| Primary Part Number | 00643 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Eye Stock Diameter | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Shoulder Diameter | 0.875 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Eye Inside Diameter | 0.375 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1022 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 0.875 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 |
|---|---|
| 00643 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| 1010MNPY | 3/2 Design control — primary reference U.S. Government activity |
| 1801FPC806 | C/1 Advisory reference — outside the item-of-supply concept Babcock & Wilcox Co |
NSN 5306-00-272-2131 is a Bolt,eye, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-272-2131 has 1 manufacturer part number on file: 00643 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for 00643: Eye Stock Diameter: 0.250 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MINIMUM IN; Shank Length: 0.500 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED W/SHOULDER. 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.