The Skin,aircraft, cataloged under National Stock Number 1560-01-649-2749, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Infinity Fabrication, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-649-2749 |
| Primary Part Number | 4-5003-23 |
| Item Name | Skin,aircraft |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Infinity Fabrication, Inc. |
| Status | ACTIVE |
| Aircraft Location | UPPER OUTBOARD FLAP |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 4-5003-23 PRIMARY | Infinity Fabrication, Inc. (USA) |
| 4-5003-23 PRIMARY | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| 4-5003-23 PRIMARY | Pratt & Whitney H.a.c., Inc. (USA) |
| 4-5003-23 PRIMARY | Bonded Technology Inc Sub of Newbond Inc (USA) |
| 4-5003-23 PRIMARY | Helicomb International, Inc. (USA) |
| 4-5003-23 PRIMARY | Nordam Group Llc, the Div Nordam (USA) |
| 4-5003-23 PRIMARY | Airborne Supply Dba Triumph Fabrications-Hot Springs Div Triumph Fabrications - Hot Springs (USA) |
| 4-5003-23 PRIMARY | H & R Parts Co Inc (USA) |
| 4-5003-23 PRIMARY | Aero Space Composites Llc Dba Aerospace Composites (USA) |
| 4-5003-23 | Hexcel Corp Dba Hexcel Products Div Hexcel Structures & Interiors (USA) |
| 4-5003-23 PRIMARY | Malones Cnc Machining Inc (USA) |
| 4-5003-23 PRIMARY | Radius Aerospace-Fort Worth, Inc. (USA) |
| 4-5003-23 PRIMARY | Limco Airepair Inc. (USA) |
| 4-5003-23 | Aero Components, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4-5003-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5003-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5003-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5003-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5003-23 | 3/2 Design control — primary reference U.S. Government activity |
| 4-5003-23 | 5/9 Secondary reference Fleet Canada Inc |
NSN 1560-01-649-2749 is a Skin,aircraft, manufactured by Infinity Fabrication, Inc., classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-649-2749 has 14 manufacturer part numbers on file: 4-5003-23 (Infinity Fabrication, Inc.), 4-5003-23 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace), 4-5003-23 (Pratt & Whitney H.a.c., Inc.), 4-5003-23 (Bonded Technology Inc Sub of Newbond Inc), 4-5003-23 (Helicomb International, Inc.) and 9 more.
Key specifications for 4-5003-23: Aircraft Location: UPPER OUTBOARD FLAP; Part Name Assigned by Controlling Agency: SKIN,BONDED PANEL ASSEMBLY; End Item Identification: B-52 AIRCRAFT; Material: ALUMINUM ALLOY 2024. 3 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 1560-01-649-2749 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.