The Holder,spring, cataloged under National Stock Number 5340-00-346-8957, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Kelley O G and Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Holder,spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Kelley O G and Co Inc (CAGE 32983) |
| Parameter | Value |
|---|---|
| NSN | 5340-00-346-8957 |
| Primary Part Number | BS1053 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Kelley O G and Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| BS1053 | Kelley O G and Co Inc (USA) |
| Reference | Meaning |
|---|---|
| BS1053 | 5/9 Secondary reference D & J Parts Inc |
| BS1053 | 5/9 Secondary reference U.S. Government activity |
| BS1053 | C/1 Advisory reference — outside the item-of-supply concept L & L Boiler Maintenance Inc |
| D3139020 | 5/2 Secondary reference U.S. Government activity |
| BS1053 | 5/2 Secondary reference U.S. Government activity |
| BS1053 | 3/9 Design control — primary reference Southwest Pump Co |
NSN 5340-00-346-8957 is a Holder,spring, manufactured by Kelley O G and Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-346-8957 has 1 manufacturer part number on file: BS1053 (Kelley O G and Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-024-3456. 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.
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.