The Thimble,rope, cataloged under National Stock Number 4030-01-650-3904, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4030-01-650-3904 |
| Primary Part Number | TYPE III-SIZE 1/2FF-T-276 |
| Item Name | Thimble,rope |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Inside Width | 1.500 INCHES NOMINAL IN |
| Inside Length | 2.630 INCHES NOMINAL IN |
| Style Designator | SPLIT OVAL |
| Specification/standard Data | 81348-FF-T-276C GOVERNMENT SPECIFICATION |
| Accommodated Material Diameter | 0.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1/2 SIZE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| TYPE III-SIZE 1/2FF-T-276 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| FF-T-276C-C | 5/9 Secondary reference U.S. Government activity |
| FF-T-276 | 4/1 Identification reference U.S. Government activity |
NSN 4030-01-650-3904 is a Thimble,rope, manufactured by Naval Sea Systems Command, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-650-3904 has 1 manufacturer part number on file: TYPE III-SIZE 1/2FF-T-276 (Naval Sea Systems Command).
Key specifications for TYPE III-SIZE 1/2FF-T-276: Inside Width: 1.500 INCHES NOMINAL IN; Inside Length: 2.630 INCHES NOMINAL IN; Style Designator: SPLIT OVAL; Specification/standard Data: 81348-FF-T-276C GOVERNMENT SPECIFICATION. 7 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.