The Filter,aircraft Instruments, cataloged under National Stock Number 1680-00-157-1039, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-157-1039 |
| Primary Part Number | 325701 PIECE 5 |
| Item Name | Filter,aircraft Instruments |
| FSC / FSG | 1680 / 16 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Attaching Point Quantity | 1 |
| Filtering Material Type | WIRE WOVEN |
| Inlet Opening Size | 0.312 IN. RADIUS IN |
| Outlet Opening Size | 0.312 IN. RADIUS IN |
| Overall Thickness | 0.062 INCHES NOMINAL IN |
| Attachment Type | FITTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 325701 PIECE 5 PRIMARY | Naval Sea Systems Command (USA) |
| 18268 | Freund Precision Inc (USA) |
| 325701 PIECE 5 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1680-00-157-1039 is a Filter,aircraft Instruments, manufactured by Naval Sea Systems Command, classified under FSC 1680 (No Item Name Available). Status: active.
NSN 1680-00-157-1039 has 3 cross-referenced part numbers: 325701 PIECE 5 (Naval Sea Systems Command), 18268 (Freund Precision Inc), 325701 PIECE 5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 7 known substitutes for 1680-00-157-1039: 5330-00-037-7670, 3110-00-156-3502, 7510-00-264-4612 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 325701 PIECE 5: Attaching Point Quantity: 1; Filtering Material Type: WIRE WOVEN; Inlet Opening Size: 0.312 IN. RADIUS IN; Outlet Opening Size: 0.312 IN. RADIUS IN. 8 total characteristics are documented in the Federal Logistics Information System.