The Clamp,plate, cataloged under National Stock Number 5310-00-944-6921, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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 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 | 5310-00-944-6921 |
| Primary Part Number | 628461 |
| Item Name | Clamp,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CORROSION RESISTING,PASSIVATED,0.375 IN. LG,0.187 IN. WIDE,0.063 IN. THK,TWO THREADED HOLES 2-56 UNC-2B IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-944-6921 is a Clamp,plate, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-944-6921 has 2 manufacturer part numbers on file: 628461 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 628461 (L3harris Mas Inc Div L3harris Mas Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4710-01-273-3748. Verify interchangeability with system specifications before substitution.
Key specifications for 628461: General Characteristics Item Description: STEEL,CORROSION RESISTING,PASSIVATED,0.375 IN. LG,0.187 IN. WIDE,0.063 IN. THK,TWO THREADED HOLES 2-56 UNC-2B 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.