The Stiffener,aircraft, cataloged under National Stock Number 1560-01-628-0101, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Sa Pacific Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1560-01-628-0101 |
| Primary Part Number | 3-89901-3 |
| Item Name | Stiffener,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Sa Pacific Inc |
| Status | ACTIVE |
| Aircraft Location | TRAILING EDGE,WING TIP |
| Aircraft Mission Design Series | B-52 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 3-89901-3 | Sa Pacific Inc (USA) |
| 3-89901-3 | Aero Components, Llc (USA) |
| 3-89901-3 | Malones Cnc Machining Inc (USA) |
| 3-89901-3 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 3-89901-3 | 3/2 Design control — primary reference U.S. Government activity |
| 3-89901-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1560-01-628-0101 is a Stiffener,aircraft, manufactured by Sa Pacific Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-628-0101 has 4 manufacturer part numbers on file: 3-89901-3 (Sa Pacific Inc), 3-89901-3 (Aero Components, Llc), 3-89901-3 (Malones Cnc Machining Inc), 3-89901-3 (D-J Engineering Inc Dba D-J Engineering Inc).
Key specifications for 3-89901-3: Aircraft Location: TRAILING EDGE,WING TIP; Part Name Assigned by Controlling Agency: STIFFENER ASSEMBLY; End Item Identification: B-52 AIRCRAFT; Aircraft Mission Design Series: B-52. 2 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 1560-01-628-0101 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.