The Ring,adjusting, cataloged under National Stock Number 4820-01-145-2559, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pneudraulics, 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. 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 | 4820-01-145-2559 |
| Primary Part Number | 45234 |
| Item Name | Ring,adjusting |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pneudraulics, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL PER AMS 5656; 1.250 IN. OD; 0.375 IN. ACROSS FLATS HEX BROACH THRU PILOT; 1.030 IN. THK; 1.250.12UNJF-3A THD 0.520 IN. DP A |
| 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 |
|---|---|
| 45234 PRIMARY | Pneudraulics, Inc. (USA) |
NSN 4820-01-145-2559 is a Ring,adjusting, manufactured by Pneudraulics, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-145-2559 has 1 manufacturer part number on file: 45234 (Pneudraulics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-337-8673. Verify interchangeability with system specifications before substitution.
Key specifications for 45234: General Characteristics Item Description: STAINLESS STEEL PER AMS 5656; 1.250 IN. OD; 0.375 IN. ACROSS FLATS HEX BROACH THRU PILOT; 1.030 IN. THK; 1.250.12UNJF-3A THD 0.520 IN. DP A; End Item Identification: AIRCRAFT MODEL F-18. 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.