PartsTable TECHNICAL DATA SHEET

NSN 5325-01-577-8289Government record, cited

Ring, Retaining5325-01-577-8289

NSN 5325-01-577-8289 · NIIN 015778289 · Part number RX1587-4

Lockheed Martin Corporation · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 0L1E5

Government record, cited

NSN 5325-01-577-8289 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-577-8289. Manufacturer of record part number: RX1587-4.

Also searched as 5325-01-577-8289 · 5325015778289 · NIIN 015778289 · 01-577-8289 · FSC 5325 Fastening Devices · CAGE 0L1E5 · RX1587-4

Nearby stock numbers ← 5325-01-577-8288 Ring, Retaining · 5325-01-577-8337 Grommet, Nonmetallic →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Lockheed Martin Corporation

Identification

NSN: 5325-01-577-8289
NIIN: 015778289
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: RX1587-4
Manufacturer: Lockheed Martin Corporation

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-577-8289, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. 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	5325-01-577-8289
Primary Part Number	RX1587-4
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Lockheed Martin Corporation
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
RX1587-4 PRIMARY	Lockheed Martin Corporation (USA)

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

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

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-577-8289?

NSN 5325-01-577-8289 is a Ring,retaining, manufactured by Lockheed Martin Corporation, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-577-8289?

NSN 5325-01-577-8289 has 1 manufacturer part number on file: RX1587-4 (Lockheed Martin Corporation).

What are the specifications of RX1587-4?

Key specifications for RX1587-4: End Item Identification: U-2. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-577-8289 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.

What is the DEMIL code for NSN 5325-01-577-8289?

NSN 5325-01-577-8289 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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.

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