The Clamp,retaining, cataloged under National Stock Number 4820-01-286-4373, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road). 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-286-4373 |
| Primary Part Number | 3183274 |
| Item Name | Clamp,retaining |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL QQ-S-764 TYPE 303 OR 303 SE ALTERNATE 17-4-PH,FINISH PASSIVATE,0.516 IN. MIN BY 0.531 IN. MAX W,0.125 IN.MIN BY 0.141 IN. MAX,1 HOLE 0.250 BY 28 UNF-28 2B THRU 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 |
|---|---|
| 3183274 | Aero International, Llc Dba Ams Engineered Solutions (USA) |
| 3183274 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 3183274 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 4820-01-286-4373 is a Clamp,retaining, manufactured by Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road), classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-286-4373 has 2 manufacturer part numbers on file: 3183274 (Aero International, Llc Dba Ams Engineered Solutions), 3183274 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 3183274: General Characteristics Item Description: STEEL QQ-S-764 TYPE 303 OR 303 SE ALTERNATE 17-4-PH,FINISH PASSIVATE,0.516 IN. MIN BY 0.531 IN. MAX W,0.125 IN.MIN BY 0.141 IN. MAX,1 HOLE 0.250 BY 28 UNF-28 2B THRU 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.