The Retainer,front,self-Locking, cataloged under National Stock Number 5342-00-490-2118, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Aerospace & Industry, Inc. Dba Ars. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-490-2118 |
| Primary Part Number | SLR2-AB |
| Item Name | Retainer,front,self-Locking |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. Dba Ars |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,WITH ALUMINUM NUT HOUSING,2.970 IN. LG WITH THREADED ROD 0.312-24 UNF 2A,1.13 IN. DIA KNOB ONE END,2 HOLE MOUNTING CLEVIS OTHER END A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SLR2-AB PRIMARY | Hutchinson Aerospace & Industry, Inc. Dba Ars (USA) |
| Reference | Meaning |
|---|---|
| SLR2-AB | 5/9 Secondary reference Hutchinson Aerospace & Industry, Inc. |
| SLR2AB | 5/9 Secondary reference U.S. Government activity |
| 341058 | 5/9 Secondary reference U.S. Government activity |
| SC-C-972587 | 1/2 Source control — Government-approved source U.S. Government activity |
| 654038-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5342-00-490-2118 is a Retainer,front,self-Locking, manufactured by Hutchinson Aerospace & Industry, Inc. Dba Ars, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-490-2118 has 1 manufacturer part number on file: SLR2-AB (Hutchinson Aerospace & Industry, Inc. Dba Ars).
3 possible matches (shared part number, not a government interchangeability claim): 1560-00-898-8571, 7110-01-586-0667, 6550-01-588-5804. Verify interchangeability with system specifications before substitution.
Key specifications for SLR2-AB: General Characteristics Item Description: STAINLESS STEEL,WITH ALUMINUM NUT HOUSING,2.970 IN. LG WITH THREADED ROD 0.312-24 UNF 2A,1.13 IN. DIA KNOB ONE END,2 HOLE MOUNTING CLEVIS OTHER END A. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.