The Jack Chain, cataloged under National Stock Number 2090-01-075-4729, is classified within Federal Supply Class 2090 (Miscellaneous Ship and Marine Equipment) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2090-01-075-4729 |
| Item Name | Jack Chain |
| FSC / FSG | 2090 / 20 — Miscellaneous Ship and Marine Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 107 1.250 IN. STUD LINKS,END LINKS SHALL BE SAME LAY,CENTER LINK AND EVERY TWELFTH LINK IN BOTH DIRECTIONS FROM CENTER WILL BE PAINTED LUSTERLESS ENAMEL CONFORMING TO TT-E-522 TYPE 1 YELLOW COLOR NO. 33538 OF FED STD 595,USED ON ELEVATED CAUSEWAY IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CEL76-4-7F | 3/2 Design control — primary reference U.S. Government activity |
NSN 2090-01-075-4729 is a Jack Chain, classified under FSC 2090, Miscellaneous Ship and Marine Equipment. Status: active.
Key specifications for 2090-01-075-4729: General Characteristics Item Description: CONSISTS OF 107 1.250 IN. STUD LINKS,END LINKS SHALL BE SAME LAY,CENTER LINK AND EVERY TWELFTH LINK IN BOTH DIRECTIONS FROM CENTER WILL BE PAINTED LUSTERLESS ENAMEL CONFORMING TO TT-E-522 TYPE 1 YELLOW COLOR NO. 33538 OF FED STD 595,USED ON ELEVATED CAUSEWAY IN. 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.