The Retainer,assembled Nut, cataloged under National Stock Number 5340-01-729-6153, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Retainer,assembled Nut |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. (CAGE 56988) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-729-6153 |
| Primary Part Number | 167-8841369-20 |
| Item Name | Retainer,assembled Nut |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. |
| Status | ACTIVE |
| 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 |
|---|---|
| 167-8841369-20 PRIMARY | Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp. (USA) |
| Reference | Meaning |
|---|---|
| R5421702-58 | 5/2 Secondary reference U.S. Government activity |
| 8843753 | D/9 Drawing number reference only U.S. Government activity |
| LSA001778-58 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-729-6153 is a Retainer,assembled Nut, manufactured by Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-729-6153 has 1 manufacturer part number on file: 167-8841369-20 (Matthew Warren, Inc. Dba Century Spring Corp. Div Century Spring Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-729-6156, 3040-01-729-6168. 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.