The Clamp,valve,test, cataloged under National Stock Number 4410-01-026-3903, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4410-01-026-3903 |
| Primary Part Number | SA-55552 |
| Item Name | Clamp,valve,test |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| General Characteristics Item Description | C/O A CAST STEEL HOUSING 4.000 IN. H,1 TEST CLAMP SCREW OF CRES 5/8-11 UNC 28 THD,2 STEEL SET SCREWS 1/4 20 UNC 28 THD 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 |
|---|---|
| A-36566PC33 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| SA-55552 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| H3250326REVH | 5/1 Secondary reference U.S. Government activity |
| A-36566 | D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
NSN 4410-01-026-3903 is a Clamp,valve,test, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-01-026-3903 has 2 manufacturer part numbers on file: A-36566PC33 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SA-55552 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
1 possible match (shared part number, not a government interchangeability claim): 6105-01-285-8204. Verify interchangeability with system specifications before substitution.
Key specifications for SA-55552: General Characteristics Item Description: C/O A CAST STEEL HOUSING 4.000 IN. H,1 TEST CLAMP SCREW OF CRES 5/8-11 UNC 28 THD,2 STEEL SET SCREWS 1/4 20 UNC 28 THD 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.