The Terminal Block Assembly, cataloged under National Stock Number 2835-00-659-0550, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Alamo Aircraft, Ltd.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 2835-00-659-0550 |
| Primary Part Number | 21516 |
| Item Name | Terminal Block Assembly |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Alamo Aircraft, Ltd. |
| Status | ACTIVE |
| General Characteristics Item Description | MATL: PHENOLIC PER MIL-P-14 TYPE CF1-5 BLACK; CONTROLLING SPEC 9-4 SECTION 6 AND 7 |
| 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 |
|---|---|
| 21516 PRIMARY | Alamo Aircraft, Ltd. (USA) |
| Reference | Meaning |
|---|---|
| 21516 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
NSN 2835-00-659-0550 is a Terminal Block Assembly, manufactured by Alamo Aircraft, Ltd., classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-00-659-0550 has 1 manufacturer part number on file: 21516 (Alamo Aircraft, Ltd.).
4 possible matches (shared part number, not a government interchangeability claim): 6610-00-955-0095, 5120-01-122-2955, 5330-01-425-3499. Verify interchangeability with system specifications before substitution.
Key specifications for 21516: General Characteristics Item Description: MATL: PHENOLIC PER MIL-P-14 TYPE CF1-5 BLACK; CONTROLLING SPEC 9-4 SECTION 6 AND 7. 1 specification is 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.