The Clamp,loop, cataloged under National Stock Number 5340-00-943-5652, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-943-5652 |
| Primary Part Number | 519552 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Loop Width | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.777 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.955 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN |
| Material | STEEL COMP 321 BAND |
| Loop Length | 1.035 INCHES MINIMUM AND 1.085 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 |
|---|---|
| 519552 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 519552 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 519552 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| 519552 | Enjet Aero Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 519552 | 5/2 Secondary reference U.S. Government activity |
| 519552 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 519552 | 5/9 Secondary reference Titan Corporation Dba Dba Systems |
| 519552 | C/1 Advisory reference — outside the item-of-supply concept Team Electronics Inc |
| 519552 | 5/9 Secondary reference Hoffmann-Werke |
| 519552 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-943-5652 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-943-5652 has 4 manufacturer part numbers on file: 519552 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 519552 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 519552 (Umpco, Inc. Dba Umpco Inc), 519552 (Enjet Aero Manchester Llc).
Key specifications for 519552: Loop Width: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Style Designator: MULTIPLE LOOP; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND; 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.