The Retainer,actuator, cataloged under National Stock Number 1020-01-176-9998, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1020-01-176-9998 |
| Primary Part Number | 5338671 |
| Item Name | Retainer,actuator |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AISI 4140,1.375 IN. DIA,0.688 IN. LG,4 0.218 IN. DIA HOLES THRU,EVENLY SPACED ON A 0.500 IN. BOLT CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5338671 PRIMARY | Naval Sea Systems Command (USA) |
NSN 1020-01-176-9998 is a Retainer,actuator, manufactured by Naval Sea Systems Command, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-01-176-9998 has 1 manufacturer part number on file: 5338671 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-252-3165. Verify interchangeability with system specifications before substitution.
Key specifications for 5338671: General Characteristics Item Description: STEEL AISI 4140,1.375 IN. DIA,0.688 IN. LG,4 0.218 IN. DIA HOLES THRU,EVENLY SPACED ON A 0.500 IN. BOLT CIRCLE IN. 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.
NSN 1020-01-176-9998 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.