Spacer, Ring5365-01-490-0990

NSN 5365-01-490-0990 · NIIN 014900990

FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5365-01-490-0990 · 5365014900990 · NIIN 014900990 · 01-490-0990 · FSC 5365 Bushings, Rings, Shims, and Spacers · 5D86952 · 5D86952-001 · 6512E14FN25 · 6512E14

Nearby stock numbers ← 5365-01-490-0850 Spacer, Ring · 5365-01-490-0991 Spacer, Sleeve →

Features

Spacer,ring — FSC 5365
Outside Diameter: 2.135 INCHES NOMINAL IN
Overall Thickness: 0.500 INCHES NOMINAL IN
Inside Diameter: 1.510 INCHES NOMINAL IN
Material: STEEL

Identification

NSN: 5365-01-490-0990
NIIN: 014900990
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives

General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-490-0990, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5365-01-490-0990
Item Name	Spacer,ring
FSC / FSG	5365 / 53 — Bushings, Rings, Shims, and Spacers
Status	ACTIVE
Outside Diameter	2.135 INCHES NOMINAL IN
Overall Thickness	0.500 INCHES NOMINAL IN
Inside Diameter	1.510 INCHES NOMINAL IN
Material	STEEL

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5365-01-490-09915D86952-002 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
5D86952	D/9 Drawing number reference only U.S. Government activity
5D86952-001	3/2 Design control — primary reference U.S. Government activity
6512E14FN25	5/2 Secondary reference U.S. Government activity
6512E14	D/9 Drawing number reference only U.S. Government activity

Related Parts

5365-01-490-0991POSSIBLE MATCH

SPACER,SLEEVE

5D86952-002

Frequently Asked Questions

What is NSN 5365-01-490-0990?

NSN 5365-01-490-0990 is a Spacer,ring, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.

What NSN replaces 5365-01-490-0990?

1 possible match (shared part number, not a government interchangeability claim): 5365-01-490-0991. Verify interchangeability with system specifications before substitution.

What are the specifications of 5365-01-490-0990?

Key specifications for 5365-01-490-0990: Outside Diameter: 2.135 INCHES NOMINAL IN; Overall Thickness: 0.500 INCHES NOMINAL IN; Inside Diameter: 1.510 INCHES NOMINAL IN; End Item Identification: FILTERS;NUCLEAR REACTOR BOUNDRY AREA. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-490-0990 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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