The Clamp,block, cataloged under National Stock Number 5340-01-556-1184, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share 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 | 5340-01-556-1184 |
| Primary Part Number | 16516 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| 16516 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5340-01-556-1184 is a Clamp,block, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-556-1184 has 1 manufacturer part number on file: 16516 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-589-8049, 3030-01-624-7503. Verify interchangeability with system specifications before substitution.
Key specifications for 16516: Part Name Assigned by Controlling Agency: BLOCK,WAVEGUIDE; End Item Identification: OE-250(V)/UPN,ANTENNA GROUP. 0 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.