Retainer, Gun Component1020-01-511-3880

NSN 1020-01-511-3880 · NIIN 015113880 · Part number 7249256

Naval Sea Systems Command · FSC 1020 — Guns, Over 125mm Through 150mm · FSG 10 — Weapons · CAGE 53711

Government record, cited

NSN 1020-01-511-3880 — this item is cataloged by the U.S. Government under National Stock Number 1020-01-511-3880. Manufacturer of record part number: 7249256.

Also searched as 1020-01-511-3880 · 1020015113880 · NIIN 015113880 · 01-511-3880 · FSC 1020 Guns, Over 125mm Through 150mm · CAGE 53711 · 7249256

Nearby stock numbers ← 1020-01-511-3864 Retainer, Gun Component · 1020-01-511-3882 Retainer, Gun Component →

Features

Retainer,gun Component — FSC 1020
Criticality Code Justification: FEAT
Surface Treatment: ANODIZE
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command

Identification

NSN: 1020-01-511-3880
NIIN: 015113880
FSC: 1020 — Guns, Over 125mm Through 150mm
FSG: 10 — Weapons
Primary part number: 7249256
Manufacturer: Naval Sea Systems Command

General Description

The Retainer,gun Component, cataloged under National Stock Number 1020-01-511-3880, 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 3 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	1020-01-511-3880
Primary Part Number	7249256
Item Name	Retainer,gun Component
FSC / FSG	1020 / 10 — Guns, Over 125mm Through 150mm
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Criticality Code Justification	FEAT
Surface Treatment	ANODIZE
Material	ALUMINUM ALLOY

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

Part Number	Manufacturer
7249256 PRIMARY	Naval Sea Systems Command (USA)

No interchangeability data on file.

Other items in FSC 1020 — Guns, Over 125mm Through 150mm

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

1020-00-008-5177

EJECTOR,CARTRIDGE

1020-00-008-5178

EJECTOR,CARTRIDGE

1020-00-008-5179

EJECTOR

1020-00-008-5181

PISTON

1020-00-008-5187

PLUNGER,VALVE

1020-00-008-5188

ACTUATOR,SWITCHETTE

1020-00-008-5188

ACTUATOR,SWITCHETTE

1020-00-008-5190

EJECTOR,CARTRIDGE

Frequently Asked Questions

What is NSN 1020-01-511-3880?

NSN 1020-01-511-3880 is a Retainer,gun Component, manufactured by Naval Sea Systems Command, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.

What part numbers are listed for NSN 1020-01-511-3880?

NSN 1020-01-511-3880 has 1 manufacturer part number on file: 7249256 (Naval Sea Systems Command).

What are the specifications of 7249256?

Key specifications for 7249256: Overall Height: 1.421 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Overall Length: 8.750 INCHES NOMINAL IN; Overall Width: 4.230 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 1020-01-511-3880 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com