The Holder,spring, cataloged under National Stock Number 5340-01-127-4459, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 3 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 | 5340-01-127-4459 |
| Primary Part Number | 10621-00 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Special Markings | IDENTICATION PER MIL-STD-130 |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 10621-00 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 5340-01-127-4459 is a Holder,spring, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-127-4459 has 1 manufacturer part number on file: 10621-00 (Avox Systems Inc Dba Avox Systems Inc).
Key specifications for 10621-00: Criticality Code Justification: AGAV; Special Features: ALODINE PER MIL-C-5541;MATERIAL AL ALY 2024-T4 PER QQ-A-225/6; End Item Identification: REGULATOR ASSEMBLY,CAGEC 53655,PN 800013 AND 800212 FOR BREATHING APPARATUS PRESSURE-PACK 11,NIOSH CERTIFIED; Special Markings: IDENTICATION PER MIL-STD-130. 3 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.