The Clamp,loop, cataloged under National Stock Number 5340-01-623-8688, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is National Products, Inc. Dba N P I. Government technical data includes 5 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 | 5340-01-623-8688 |
| Primary Part Number | RAM-B-231 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | National Products, Inc. Dba N P I |
| Status | ACTIVE |
| Surface Treatment Document and Classification | POWDER COATED MARINE GRADE ALUMINUM MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | TWO PIECE |
| Inside Diameter | 0.50 INCHES MINIMUM AND 1.00 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Material | STEEL CORROSION RESISTING BOLT |
| 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 |
|---|---|
| RAM-B-231 PRIMARY | National Products, Inc. Dba N P I (USA) |
NSN 5340-01-623-8688 is a Clamp,loop, manufactured by National Products, Inc. Dba N P I, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-623-8688 has 1 manufacturer part number on file: RAM-B-231 (National Products, Inc. Dba N P I).
Key specifications for RAM-B-231: Surface Treatment Document and Classification: POWDER COATED MARINE GRADE ALUMINUM MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: TWO PIECE; Inside Diameter: 0.50 INCHES MINIMUM AND 1.00 INCHES MAXIMUM IN; Special Features: ITEM HAS 1"RUBBER BALL DESIGNED TO SIT AT RIGHT ANGLES TO THE MOUNTING RAIL;INCLUDES BLACK COVER CAPS TO BE PLACED OVER THE EXPOSED ENDS OF U-BOLT AND COMPOSITE ADAPTER TO NARROW RAIL TO MIN WIDTH OF 0.50". 5 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.