The Extension Tube Assembly, cataloged under National Stock Number 5340-01-583-2055, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Tim Price Inc. Dba Tim Price Inc. The record lists 2 manufacturer part numbers 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.
| Item Name | Extension Tube Assembly |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Mastsystem Int'l Oy (CAGE A196G); Tim Price Inc. Dba Tim Price Inc (CAGE 097B0) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-583-2055 |
| Primary Part Number | 800671 |
| Item Name | Extension Tube Assembly |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Tim Price Inc. Dba Tim Price Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 5340-01-583-2055 is a Extension Tube Assembly, manufactured by Tim Price Inc. Dba Tim Price Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-583-2055 has 2 manufacturer part numbers on file: 309267 (Mastsystem Int'l Oy), 800671 (Tim Price Inc. Dba Tim Price Inc).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-680-9787. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-01-583-2055 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.