The Disc,valve, cataloged under National Stock Number 2915-00-439-5745, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. 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. 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 | 2915-00-439-5745 |
| Primary Part Number | A-1523 |
| Item Name | Disc,valve |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Essex Industries, Inc. Dba Essex Industries |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY 2024-T3 OV 2017-T4 OR 2014-T4,0.969 IN. O/A LG,1.094 IN. O/A DIA,ANODIZE FINISH IN |
| 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 |
|---|---|
| A-1523 PRIMARY | Essex Industries, Inc. Dba Essex Industries (USA) |
NSN 2915-00-439-5745 is a Disc,valve, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-439-5745 has 1 manufacturer part number on file: A-1523 (Essex Industries, Inc. Dba Essex Industries).
2 possible matches (shared part number, not a government interchangeability claim): 5325-00-527-3705, 5950-00-904-7490. Verify interchangeability with system specifications before substitution.
Key specifications for A-1523: General Characteristics Item Description: ALUMINUM ALLOY 2024-T3 OV 2017-T4 OR 2014-T4,0.969 IN. O/A LG,1.094 IN. O/A DIA,ANODIZE FINISH IN; End Item Identification: VALVE PART NO. K1345-6. 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.
NSN 2915-00-439-5745 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.