The Clamp,loop, cataloged under National Stock Number 5340-00-828-6789, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-828-6789 |
| Primary Part Number | 434645 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Loop Width | 0.620 INCHES NOMINAL IN |
| Style Designator | MULTIPLE LOOP |
| Material Document and Classification | AMS 6350 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6355 ASSN STD 2ND MATERIAL RESPONSE BAND |
| Diameter | 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Material Thickness | 0.039 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.323 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.073 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 BAND |
| Loop Length | 1.306 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 |
|---|---|
| 434645 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 434645 | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| 434645 | Tokyo Judoi Kogyo K.k. (JPN) |
| Reference | Meaning |
|---|---|
| 434645 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 434645 | 5/2 Secondary reference U.S. Government activity |
| 434645 | 5/2 Secondary reference U.S. Government activity |
| 434645 | 5/9 Secondary reference Titan Corporation Dba Dba Systems |
| 434645 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
NSN 5340-00-828-6789 is a Clamp,loop, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-828-6789 has 3 manufacturer part numbers on file: 434645 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 434645 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 434645 (Tokyo Judoi Kogyo K.k.).
Key specifications for 434645: Loop Width: 0.620 INCHES NOMINAL IN; Style Designator: MULTIPLE LOOP; Material Document and Classification: AMS 6350 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6355 ASSN STD 2ND MATERIAL RESPONSE BAND; Diameter: 0.198 INCHES MINIMUM AND 0.208 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.