The Clamp,loop, cataloged under National Stock Number 5340-00-680-3868, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-3868 |
| Primary Part Number | 3477-11 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.173 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.516 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.328 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Loop Inside Diameter | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3477-11 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 3477-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 3477-11W20 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| A3046A2-35 | 3/9 Design control — primary reference Tinnerman Palnut Engineered Products, Inc. |
NSN 5340-00-680-3868 is a Clamp,loop, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-680-3868 has 1 manufacturer part number on file: 3477-11 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 3477-11: Style Designator: SINGLE LOOP; Material Document and Classification: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.173 INCHES NOMINAL IN; Overall Width: 0.375 INCHES NOMINAL IN. 10 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.