The Holder,spring, cataloged under National Stock Number 5340-00-563-2839, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-563-2839 |
| Primary Part Number | 313098 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Supporting Object/surface Attachment Method | FRICTION MOUNTING OF MATING MACHINE PARTS UNDER SPRING COMPRESSION |
| Attachment to Item Supported Method | FRICTION MOUNTING BY COMPRESSION SPRING |
| Material | STEEL CORROSION RESISTING |
| Usage Design | CENTERS AND POSITIONS SPRING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
NSN 5340-00-563-2839 is a Holder,spring, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-563-2839 has 3 manufacturer part numbers on file: 313098 (Eti Tech Llc), 313098 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 313098 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 313098: Supporting Object/surface Attachment Method: FRICTION MOUNTING OF MATING MACHINE PARTS UNDER SPRING COMPRESSION; Attachment to Item Supported Method: FRICTION MOUNTING BY COMPRESSION SPRING; Material: STEEL CORROSION RESISTING; Usage Design: CENTERS AND POSITIONS SPRING. 4 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.