The Clip,retaining, cataloged under National Stock Number 5340-00-290-0131, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-290-0131 |
| Primary Part Number | A3733-28 |
| Item Name | Clip,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Style Designator | PIN |
| Material Document and Classification | ANA 3-771, TYPE 302, COMP G, COND A MFR REF SINGLE MATERIAL RESPONSE |
| Stock Diameter | 0.025 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Width | 0.188 INCHES NOMINAL IN |
| Material | STEEL COMP 302 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| A3733-28 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| A3733-28 | Radiac Abrasives Inc (USA) |
| Reference | Meaning |
|---|---|
| A3733-28 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5340-00-290-0131 is a Clip,retaining, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-290-0131 has 2 manufacturer part numbers on file: A3733-28 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), A3733-28 (Radiac Abrasives Inc).
Key specifications for A3733-28: Overall Height: 0.431 INCHES NOMINAL IN; Style Designator: PIN; Material Document and Classification: ANA 3-771, TYPE 302, COMP G, COND A MFR REF SINGLE MATERIAL RESPONSE; Stock Diameter: 0.025 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.