Bearing, Sleeve3120-01-263-4281

NSN 3120-01-263-4281 · NIIN 012634281 · Part number M656

Martin-Decker Totco, Inc Dba M/d Totco · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 38589

Government record, cited

NSN 3120-01-263-4281 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-263-4281. Manufacturer of record part number: M656.

Also searched as 3120-01-263-4281 · 3120012634281 · NIIN 012634281 · 01-263-4281 · FSC 3120 Bearings, Plain, Unmounted · CAGE 38589 · M656 · D516B ITEM 43

Nearby stock numbers ← 3120-01-263-4280 Bearing, Sleeve · 3120-01-263-4282 Bearing, Sleeve →

3120-01-263-4281 — Bearings, Plain, Unmounted

Features

Bearing,sleeve — FSC 3120
2 manufacturer part numbers on file
Manufacturer of record: Martin-Decker Totco, Inc Dba M/d Totco

Identification

NSN: 3120-01-263-4281
NIIN: 012634281
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: M656
Manufacturer: Martin-Decker Totco, Inc Dba M/d Totco

General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-263-4281, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Martin-Decker Totco, Inc Dba M/d Totco. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Bearing,sleeve
FSC / FSG	3120 — Bearings, Plain, Unmounted (FSG 31)
Manufacturers	Martin-Decker Totco, Inc Dba M/d Totco (CAGE 38589)

Technical Specifications

Parameter	Value
NSN	3120-01-263-4281
Primary Part Number	M656
Item Name	Bearing,sleeve
FSC / FSG	3120 / 31 — Bearings, Plain, Unmounted
Manufacturer	Martin-Decker Totco, Inc Dba M/d Totco
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 2

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

5355-01-288-6643NV822032-1 POSSIBLE MATCH

WINDOW,DIAL

Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace

5355-01-669-5405 POSSIBLE MATCH

WINDOW,DIAL

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
D516B ITEM 43	Martin-Decker Totco, Inc Dba M/d Totco (USA)
M656 PRIMARY	Martin-Decker Totco, Inc Dba M/d Totco (USA)

Related Parts

5355-01-288-6643POSSIBLE MATCH

WINDOW,DIAL

NV822032-1

5355-01-669-5405POSSIBLE MATCH

WINDOW,DIAL

Frequently Asked Questions

What is NSN 3120-01-263-4281?

NSN 3120-01-263-4281 is a Bearing,sleeve, manufactured by Martin-Decker Totco, Inc Dba M/d Totco, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What part numbers are listed for NSN 3120-01-263-4281?

NSN 3120-01-263-4281 has 2 manufacturer part numbers on file: D516B ITEM 43 (Martin-Decker Totco, Inc Dba M/d Totco), M656 (Martin-Decker Totco, Inc Dba M/d Totco).

What NSN replaces 3120-01-263-4281?

2 possible matches (shared part number, not a government interchangeability claim): 5355-01-288-6643, 5355-01-669-5405. Verify interchangeability with system specifications before substitution.

Is NSN 3120-01-263-4281 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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