The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-705-8553, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-705-8553 |
| Primary Part Number | 120123 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Charles Reed Knight Jr Dba Knight's Armament Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 120123 PRIMARY | Charles Reed Knight Jr Dba Knight's Armament Company (USA) |
NSN 5340-01-705-8553 is a Retainer,helical Compression Spr, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-705-8553 has 1 manufacturer part number on file: 120123 (Charles Reed Knight Jr Dba Knight's Armament Company).
Key specifications for 120123: Part Name Assigned by Controlling Agency: SPRING RETAINER, PLUNGER, TRIGGER GUARD; End Item Identification: LOWER RECEIVER ASSEMBLY, SR-16 MOD 2.2. 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.
NSN 5340-01-705-8553 has DEMIL Code Q. 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.