Collar, Shaft3040-00-423-8271

NSN 3040-00-423-8271 · NIIN 004238271 · Part number 1A6829

Caterpillar Inc Div Caterpillar Defense · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 11083

Government record, cited

NSN 3040-00-423-8271 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-423-8271. Manufacturer of record part number: 1A6829.

Also searched as 3040-00-423-8271 · 3040004238271 · NIIN 004238271 · 00-423-8271 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 11083 · 1A6829

Nearby stock numbers ← 3040-00-423-8227 · 3040-00-423-8373 →

Features

Collar,shaft — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 3040-00-423-8271
NIIN: 004238271
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 1A6829
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Collar,shaft, cataloged under National Stock Number 3040-00-423-8271, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Collar,shaft
FSC / FSG	3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Manufacturers	Caterpillar Inc Div Caterpillar Defense (CAGE 11083)

Technical Specifications

Parameter	Value
NSN	3040-00-423-8271
Primary Part Number	1A6829
Item Name	Collar,shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Caterpillar Inc Div Caterpillar Defense
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

⇄ Related Items 1

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

6685-01-287-8062C-1A-6829 POSSIBLE MATCH

THERMOCOUPLE,IMMERSION

Possible match (shared part number)Cooper Machinery Services Llc

Cross-Reference Index

Part Number	Manufacturer
1A6829 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

Related Parts

6685-01-287-8062POSSIBLE MATCH

THERMOCOUPLE,IMMERSION

C-1A-6829

Frequently Asked Questions

What is NSN 3040-00-423-8271?

NSN 3040-00-423-8271 is a Collar,shaft, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-00-423-8271?

NSN 3040-00-423-8271 has 1 manufacturer part number on file: 1A6829 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3040-00-423-8271?

1 possible match (shared part number, not a government interchangeability claim): 6685-01-287-8062. Verify interchangeability with system specifications before substitution.

Is NSN 3040-00-423-8271 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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