The Terminal Block,electrical, cataloged under National Stock Number 2920-01-645-2871, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Te Connectivity Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-645-2871 |
| Primary Part Number | 3991AS319-1 |
| Item Name | Terminal Block,electrical |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Te Connectivity Corporation |
| 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 |
|---|---|
| 3991AS319-1 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3991AS302 FIND NO. 10 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3991AS302 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 2920-01-645-2871 is a Terminal Block,electrical, manufactured by Te Connectivity Corporation, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-645-2871 has 1 manufacturer part number on file: 3991AS319-1 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-645-3989. Verify interchangeability with system specifications before substitution.
Key specifications for 3991AS319-1: Special Features: DESCRIPTION: TERMINAL BLOCK 2 X 6; NEXT ASSY: 3991AS302; Part Name Assigned by Controlling Agency: TERMINAL BLOCK 2 X 6; End Item Identification: (DWG TITLE) SUB-DRIVE ASSEMBLY. 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.