The Clamp,loop, cataloged under National Stock Number 5340-01-233-4303, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-233-4303 |
| Primary Part Number | S169SST4 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.717 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.514 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 321 BAND |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE CUSHION |
| Loop Inside Diameter | 0.235 INCHES MINIMUM AND 0.265 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 |
|---|---|
| S169SST4 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-233-4303 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-233-4303 has 1 manufacturer part number on file: S169SST4 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S169SST4: Style Designator: SINGLE LOOP; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE BAND; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION; Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN. 11 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.