The Screw Assembly,valve, cataloged under National Stock Number 4810-01-109-4182, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Beaver Aerospace & Defense, Inc.. 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-109-4182 |
| Primary Part Number | B17540 |
| Item Name | Screw Assembly,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Beaver Aerospace & Defense, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;17.120 IN. O/A LG 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 |
|---|---|
| B17540 PRIMARY | Beaver Aerospace & Defense, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0726-380PC1 | C/1 Advisory reference — outside the item-of-supply concept Aluf Industries Inc |
| 4674140-0001 | 5/9 Secondary reference U.S. Government activity |
| 515-4674140 | D/9 Drawing number reference only U.S. Government activity |
| 515-4674140 ITEM 1 | 5/2 Secondary reference U.S. Government activity |
| 87552-2607 ITEM 1 | 5/2 Secondary reference U.S. Government activity |
| B17540REVB | 5/9 Secondary reference Beaver Aerospace & Defense, Inc. |
| 4674140 | D/9 Drawing number reference only U.S. Government activity |
| 0726-380PC6 | C/1 Advisory reference — outside the item-of-supply concept Aluf Industries Inc |
NSN 4810-01-109-4182 is a Screw Assembly,valve, manufactured by Beaver Aerospace & Defense, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-109-4182 has 1 manufacturer part number on file: B17540 (Beaver Aerospace & Defense, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 3010-01-123-3078, 4730-01-140-8912, 5310-01-527-4129. Verify interchangeability with system specifications before substitution.
Key specifications for B17540: General Characteristics Item Description: STEEL;17.120 IN. O/A LG 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.