The Swivel,link and Jaw, cataloged under National Stock Number 4030-01-557-7143, 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 Tylaska Marine Hardware. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-557-7143 |
| Primary Part Number | T30LB |
| Item Name | Swivel,link and Jaw |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Tylaska Marine Hardware |
| Status | ACTIVE |
| Safe Operating Load Rating | 15000.000 POUNDS NOMINAL LBS |
| 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 |
|---|---|
| TYT30L | Aqua Marine International (GBR) |
| 5519-099 SHEET 1 ITEM 2 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| 5519-099 SHEET 1/2 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| 133114 | Bvt Surface Fleet Support Ltd (halmatic Range) (GBR) |
| T30LB PRIMARY | Tylaska Marine Hardware (USA) |
NSN 4030-01-557-7143 is a Swivel,link and Jaw, manufactured by Tylaska Marine Hardware, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-557-7143 has 5 manufacturer part numbers on file: TYT30L (Aqua Marine International), 5519-099 SHEET 1 ITEM 2 (Bvt Surface Fleet Support Ltd (halmatic Range)), 5519-099 SHEET 1/2 (Bvt Surface Fleet Support Ltd (halmatic Range)), 133114 (Bvt Surface Fleet Support Ltd (halmatic Range)), T30LB (Tylaska Marine Hardware).
Key specifications for T30LB: Safe Operating Load Rating: 15000.000 POUNDS NOMINAL LBS; Special Features: ROOM FOR UP TO 3 ADDITIONAL SHACKLES OR A COMBINATION OF SHACKLES AND LINES;TOTAL LENGTH 7.187 INCH, THICHNESS IS 0.78 INCH,WEIGHT 29 OUNCES,BREAKING STRENGTH IS 30,000 POUNDS,RECOMENDED APPLICATION 60 TO 80 FOOT BOATS LBS; Part Name Assigned by Controlling Agency: SNAP SHACKLE,LARGE BAIL; End Item Identification: TOWING SHACKLE ASSEMBLY,FORWARD LONG RANGE INSERTION CRAFT GEN IV. 1 specification is 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.