The Clamp,loop, cataloged under National Stock Number 5340-00-877-5684, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-877-5684 |
| Primary Part Number | 416491 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring |
| Status | ACTIVE |
| Loop Width | 0.687 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 | 0.209 INCHES NOMINAL IN |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.995 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.735 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OR STEEL COMP 8630 BAND |
| Loop Length | 2.447 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 |
|---|---|
| 416491 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 416491 PRIMARY | Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA) |
| Reference | Meaning |
|---|---|
| 416491 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 416491 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-877-5684 is a Clamp,loop, manufactured by Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-877-5684 has 2 manufacturer part numbers on file: 416491 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 416491 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-416-2870. Verify interchangeability with system specifications before substitution.
Key specifications for 416491: Loop Width: 0.687 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: 0.209 INCHES NOMINAL 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.