PartsTable TECHNICAL DATA SHEET

NSN 5325-01-590-0669Government record, cited

Ring, Retaining5325-01-590-0669

NSN 5325-01-590-0669 · NIIN 015900669 · Part number H138R11/4

Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 0YKX1

Government record, cited

NSN 5325-01-590-0669 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-590-0669. Manufacturer of record part number: H138R11/4.

Also searched as 5325-01-590-0669 · 5325015900669 · NIIN 015900669 · 01-590-0669 · FSC 5325 Fastening Devices · CAGE 0YKX1 · H138R11/4 · H138R 1 1/4"

Nearby stock numbers ← 5325-01-590-0517 Insert, Screw Thread · 5325-01-590-0680 Insert, Screw Thread →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co

Identification

NSN: 5325-01-590-0669
NIIN: 015900669
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: H138R11/4
Manufacturer: Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-590-0669, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	5325-01-590-0669
Primary Part Number	H138R11/4
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
H138R11/4 PRIMARY	Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co (USA)

Reference documents

Reference	Meaning
H138R 1 1/4"	5/9 Secondary reference Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co

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 5325-01-590-0669?

NSN 5325-01-590-0669 is a Ring,retaining, manufactured by Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co, classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-590-0669?

NSN 5325-01-590-0669 has 1 manufacturer part number on file: H138R11/4 (Missouri-Kansas Supply Co Inc Dba Mks Pipe & Valve Co).

What are the specifications of H138R11/4?

Key specifications for H138R11/4: Part Name Assigned by Controlling Agency: 1 1/4" EXTENSION SPLIT RING HANGER; End Item Identification: 1905-01-284-2647 LANDING CRAFT, MECHANIZED. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5325-01-590-0669 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.

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