The Retainer,valve Bushing, cataloged under National Stock Number 4820-01-117-5689, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Elliott Company Div Jeannette. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-117-5689 |
| Primary Part Number | 44B3021-651 |
| Item Name | Retainer,valve Bushing |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Elliott Company Div Jeannette |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;1.000 IN. ID;0.250 IN. DIA TWO HOLES EQUALLY SPACED DRILLED THRU FLANGE;2.000 IN. THREADED OD 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 |
|---|---|
| 44B3021-651 PRIMARY | Elliott Company Div Jeannette (USA) |
| 44B3021-16F10 | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| 44B3021-610FPC1 | C/1 Advisory reference — outside the item-of-supply concept Elliott Company Div Jeannette |
| 44B3021-610F | D/9 Drawing number reference only Elliott Company Div Jeannette |
| 44B3021-651 | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
NSN 4820-01-117-5689 is a Retainer,valve Bushing, manufactured by Elliott Company Div Jeannette, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-117-5689 has 2 manufacturer part numbers on file: 44B3021-651 (Elliott Company Div Jeannette), 44B3021-16F10 (Elliott Company Div Jeannette).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-169-3790, 4820-01-250-7003. Verify interchangeability with system specifications before substitution.
Key specifications for 44B3021-651: General Characteristics Item Description: STEEL;1.000 IN. ID;0.250 IN. DIA TWO HOLES EQUALLY SPACED DRILLED THRU FLANGE;2.000 IN. THREADED OD 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.