The Bolt,eye, cataloged under National Stock Number 5306-00-266-7570, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 11 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 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 | 5306-00-266-7570 |
| Primary Part Number | 16781 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fwd Seagrave Holdings Lp |
| Status | ACTIVE |
| Eye Stock Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 2.250 INCHES MINIMUM IN |
| Shank Length | 2.500 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Eye Inside Diameter | 1.000 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1020 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 |
|---|---|
| 16781 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
NSN 5306-00-266-7570 is a Bolt,eye, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-266-7570 has 1 manufacturer part number on file: 16781 (Fwd Seagrave Holdings Lp).
2 possible matches (shared part number, not a government interchangeability claim): 5310-00-512-5047, 5330-01-150-4152. Verify interchangeability with system specifications before substitution.
Key specifications for 16781: Eye Stock Diameter: 0.500 INCHES NOMINAL IN; Thread Length: 2.250 INCHES MINIMUM IN; Shank Length: 2.500 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED. 11 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.