The Clamp,loop, cataloged under National Stock Number 5340-01-274-1521, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-274-1521 |
| Primary Part Number | 4118-28A |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BAND |
| Style Designator | HINGED & CENTER MTD |
| Diameter | 0.250 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.538 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 BAND |
| Loop Inside Diameter | 1.770 INCHES MINIMUM AND 1.820 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4118-28A PRIMARY | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| GC502A28A | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-01-274-1521 is a Clamp,loop, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-274-1521 has 1 manufacturer part number on file: 4118-28A (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
Key specifications for 4118-28A: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BAND; Style Designator: HINGED & CENTER MTD; Diameter: 0.250 INCHES NOMINAL IN; Material Thickness: 0.050 INCHES NOMINAL IN. 9 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.