The Longeron, cataloged under National Stock Number 1560-01-151-6729, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1560-01-151-6729 |
| Item Name | Longeron |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-25043 17-7PH COND 2D ANL MIL SPEC SINGLE MATERIAL RESPONSE |
| Aircraft Location | NO. 16 LONGERON ASSY,UPPER,COWL PANEL ASSEMBLY |
| Material | STEEL CORROSION RESISTING |
| Side for Which Designed | LEFT SIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 35-10701-2243 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-151-6729 is a Longeron, classified under FSC 1560, Airframe Structural Components. Status: active.
Key specifications for 1560-01-151-6729: Material Document and Classification: MIL-S-25043 17-7PH COND 2D ANL MIL SPEC SINGLE MATERIAL RESPONSE; Special Features: HEAT TREATED TO 180,000 TO 200,000 PSI; C/O 1 FORWARD AND 1 AFT NO. 16 LONGERON; OPPOSITE PN -2244; Aircraft Location: NO. 16 LONGERON ASSY,UPPER,COWL PANEL ASSEMBLY; End Item Identification: B-52. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-151-6729 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.