The Holder,spring, cataloged under National Stock Number 5340-00-338-6429, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-338-6429 |
| Primary Part Number | 128B358P1 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TYPE II,CLASS B-HEAT, TREAT PER F70C-CD3-1C, TREAT TO ROCKWELL /C/HARDNESS 30-33-TREAT BLACK PER M.P.+6D-CD3-9 FED SPEC SINGLE TREATMENT RESPONSE |
| Supporting Object/surface Attachment Method | COMPRESSION |
| Material Document and Classification | AISI 1050 ASSN STD SINGLE MATERIAL RESPONSE |
| Attachment to Item Supported Method | FRICTION-COMPRESSION |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1050 |
| 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 |
|---|---|
| 128B358P1 | General Electric Company (USA) |
| 128B358P1 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 128B358P1 | 5/9 Secondary reference General Electric Co Armament and Electrical Systems Dept Electrical Systems Products Dept |
NSN 5340-00-338-6429 is a Holder,spring, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-338-6429 has 2 manufacturer part numbers on file: 128B358P1 (General Electric Company), 128B358P1 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for 128B358P1: Surface Treatment Document and Classification: QQ-P-416 TYPE II,CLASS B-HEAT, TREAT PER F70C-CD3-1C, TREAT TO ROCKWELL /C/HARDNESS 30-33-TREAT BLACK PER M.P.+6D-CD3-9 FED SPEC SINGLE TREATMENT RESPONSE; Supporting Object/surface Attachment Method: COMPRESSION; Material Document and Classification: AISI 1050 ASSN STD SINGLE MATERIAL RESPONSE; Attachment to Item Supported Method: FRICTION-COMPRESSION. 6 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.