The Clamp,loop, cataloged under National Stock Number 5340-01-331-5994, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Stemco Inc Sub of Coltec Industries Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-331-5994 |
| Primary Part Number | 268-1440 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stemco Inc Sub of Coltec Industries Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Surface Treatment | ALUMINUM OVERALL |
| Material | STEEL OVERALL |
| Loop Inside Diameter | 4.140 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 268-1440 PRIMARY | Stemco Inc Sub of Coltec Industries Inc (USA) |
| KYX00-7784 PRIMARY | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| KYX00-5832 | 5/9 Secondary reference Donaldson Company, Inc. |
| 1771A$302-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1771AS302-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-331-5994 is a Clamp,loop, manufactured by Stemco Inc Sub of Coltec Industries Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-331-5994 has 2 manufacturer part numbers on file: 268-1440 (Stemco Inc Sub of Coltec Industries Inc), KYX00-7784 (Donaldson Company, Inc.).
Key specifications for 268-1440: Style Designator: SINGLE LOOP; Overall Width: 3.500 INCHES NOMINAL IN; Surface Treatment: ALUMINUM OVERALL; Material: STEEL OVERALL. 4 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.