The Retainer,shoe,inboard, cataloged under National Stock Number 2040-01-348-5264, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-348-5264 |
| Primary Part Number | 400-5489358 ITEM 4 |
| Item Name | Retainer,shoe,inboard |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN. MIN.,4.497 IN. MAX. L; 1.310 IN. H IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 400-5489358 ITEM 4 | Naval Sea Systems Command (USA) |
| 5489358-4 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6640217-4 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| B8830204 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 400 5489358 REV-ITEM 4 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 2040-01-348-5264 is a Retainer,shoe,inboard, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-348-5264 has 2 manufacturer part numbers on file: 400-5489358 ITEM 4 (Naval Sea Systems Command), 5489358-4 (Naval Sea Systems Command).
Key specifications for 400-5489358 ITEM 4: General Characteristics Item Description: NICKEL,COPPER AS PER QQ-N-281 CL A HF; 4.495 IN. MIN.,4.497 IN. MAX. L; 1.310 IN. H IN; Criticality Code Justification: FEAT; Special Features: 125 MICROINCH FINISH OVERALL; EXPORT CONTROL; End Item Identification: SSN 688 CLASS SUBMARINE; NO. 1 PERISCOPE SYSTEM. 2 specifications are 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.
NSN 2040-01-348-5264 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.