The Valve-Pilot,wing Tank, cataloged under National Stock Number 4810-00-485-8399, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Pti Technologies Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4810-00-485-8399 |
| Primary Part Number | 2-669-1 |
| Item Name | Valve-Pilot,wing Tank |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,1 PORT PRESSURE,1 PRECHECK PORT,3.940 IN.LG,3.720 IN. O/A H,3.530 IN. W IN |
| 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 |
|---|---|
| A51P9107-3 | Northrop Grumman Systems Corporation (USA) |
| 2-669-1 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2-669-1 | 5/2 Secondary reference U.S. Government activity |
| 2-669-1 | 5/9 Secondary reference Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| A51P9107-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 2-669-1 | 3/9 Design control — primary reference Vacco Industries |
| A51P9107-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 4810-00-485-8399 is a Valve-Pilot,wing Tank, manufactured by Pti Technologies Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-485-8399 has 2 manufacturer part numbers on file: A51P9107-3 (Northrop Grumman Systems Corporation), 2-669-1 (Pti Technologies Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 2910-00-711-6155, 5342-01-167-2190, 6130-01-600-8825. Verify interchangeability with system specifications before substitution.
Key specifications for 2-669-1: General Characteristics Item Description: ALUMINUM ALLOY,1 PORT PRESSURE,1 PRECHECK PORT,3.940 IN.LG,3.720 IN. O/A H,3.530 IN. W IN. 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.