The Clamp,loop, cataloged under National Stock Number 5340-01-264-1121, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mks Instruments Inc Hps Div. Government technical data includes 2 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. 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 | 5340-01-264-1121 |
| Primary Part Number | 31-2901 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mks Instruments Inc Hps Div |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BAND |
| Loop Inside Diameter | 0.430 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 |
|---|---|
| 31-2901 PRIMARY | Mks Instruments Inc Hps Div (USA) |
NSN 5340-01-264-1121 is a Clamp,loop, manufactured by Mks Instruments Inc Hps Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-264-1121 has 1 manufacturer part number on file: 31-2901 (Mks Instruments Inc Hps Div).
1 possible match (shared part number, not a government interchangeability claim): 6320-01-332-7020. Verify interchangeability with system specifications before substitution.
Key specifications for 31-2901: Overall Length: 2.240 INCHES NOMINAL IN; Overall Width: 0.630 INCHES NOMINAL IN; Material: ALUMINUM ALLOY BAND; Loop Inside Diameter: 0.430 INCHES NOMINAL IN. 2 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.