The Cable Assembly,special Purpose,e, cataloged under National Stock Number 5995-01-087-1263, is classified within Federal Supply Class 5995 (Cable, Cord, and Wire Assemblies: Communication Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5995-01-087-1263 |
| Primary Part Number | 503-291 |
| Item Name | Cable Assembly,special Purpose,e |
| FSC / FSG | 5995 / 59 — Cable, Cord, and Wire Assemblies: Communication Equipment |
| Manufacturer | Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division |
| Status | ACTIVE |
| Conductor Quantity | 3 |
| Style Designator | INTERNAL ANGLE AND INTERNAL STRAIGHT CONNECTOR |
| Cross-Sectional Shape Style | ROUND |
| Cross Section Outside Diameter | 0.770 INCHES NOMINAL IN |
| Material | COPPER FIRST MORTISE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 503-291 PRIMARY | Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division (USA) |
| 564436 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 10-609012-1 | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National (USA) |
| 10-609012-1 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-609012-1 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 3155888 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 564436 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5995-01-087-1263 is a Cable Assembly,special Purpose,e, manufactured by Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division, classified under FSC 5995, Cable, Cord, and Wire Assemblies: Communication Equipment. Status: active.
NSN 5995-01-087-1263 has 4 manufacturer part numbers on file: 503-291 (Nortech Systems Inc Dba Aerospace Systems Div Nortech Systems - Aerospace Systems Division), 564436 (Lockheed Martin Corporation Div Rms), 10-609012-1 (Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National), 10-609012-1 (Unison Industries Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-298-6816, 5930-01-487-8341. Verify interchangeability with system specifications before substitution.
Key specifications for 503-291: Overall Length: 2.333 FEET FT; Conductor Quantity: 3; Style Designator: INTERNAL ANGLE AND INTERNAL STRAIGHT CONNECTOR; Cross-Sectional Shape Style: ROUND. 5 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.
NSN 5995-01-087-1263 has DEMIL Code B. 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.