The Wire Rope Assembly,single Leg,ai, cataloged under National Stock Number 1640-01-503-9518, is classified within Federal Supply Class 1640 (Aircraft Control Cable Products) of the Aircraft Components and Accessories group. The manufacturer of record is Loos & Co Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1640-01-503-9518 |
| Primary Part Number | 4C39043-101A |
| Item Name | Wire Rope Assembly,single Leg,ai |
| FSC / FSG | 1640 / 16 — Aircraft Control Cable Products |
| Manufacturer | Loos & Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 4C39043-101A | Loos & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 4C59015-103A | 3/2 Design control — primary reference U.S. Government activity |
| 4C59015 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1640-01-503-9518 is a Wire Rope Assembly,single Leg,ai, manufactured by Loos & Co Inc, classified under FSC 1640, Aircraft Control Cable Products. Status: active.
NSN 1640-01-503-9518 has 1 manufacturer part number on file: 4C39043-101A (Loos & Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 1640-01-503-9519, 1640-01-503-9520. Verify interchangeability with system specifications before substitution.
Key specifications for 4C39043-101A: Overall Length: 481.050 INCHES MINIMUM AND 481.450 INCHES MAXIMUM IN; Special Features: MATERIAL SHALL CONFORM TO STP 52-600 TYPE II, 7 X 19 1/8 BASIC CABLE DIA .250; FINISH LOCK-CLAD DIA; Part Name Assigned by Controlling Agency: CABLE ASSY - ELEVATOR, VERTICAL STABLIZER, SCM MOD KIT; End Item Identification: C5 AIRCRAFT. 0 specifications are 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.