The Cylinder,restraining Mechanism a, cataloged under National Stock Number 1020-00-889-6979, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1020-00-889-6979 |
| Primary Part Number | LM2527261 |
| Item Name | Cylinder,restraining Mechanism a |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY THREADS COATED WITH ANTISEIZE COMPOUND MIL-T-22361,HYDROSTATIC AND PRESSURE TESTS IN ACCORDANCE WITH DWG 2527261 FSCM 10001,TESTS APPLICABLE TO EQUIPMENT USED ON 5 IN. GUN MOUNT MK 45 MOD 0 IN ACCORDANCE WITH NAV WEP QAP 3783 PAGE 9-105,17.719 IN. LG,6.005 IN. W,4.218 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LM2527261 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2527261 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 1020-00-889-6979 is a Cylinder,restraining Mechanism a, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-00-889-6979 has 1 manufacturer part number on file: LM2527261 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for LM2527261: General Characteristics Item Description: ALUMINUM ALLOY THREADS COATED WITH ANTISEIZE COMPOUND MIL-T-22361,HYDROSTATIC AND PRESSURE TESTS IN ACCORDANCE WITH DWG 2527261 FSCM 10001,TESTS APPLICABLE TO EQUIPMENT USED ON 5 IN. GUN MOUNT MK 45 MOD 0 IN ACCORDANCE WITH NAV WEP QAP 3783 PAGE 9-105,17.719 IN. LG,6.005 IN. W,4.218 IN. H 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 1020-00-889-6979 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.