PartsTable TECHNICAL DATA SHEET

NSN 3040-01-187-6972Government record, cited

Shaft, Shouldered3040-01-187-6972

NSN 3040-01-187-6972 · NIIN 011876972 · Part number 7D7386

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

Government record, cited

NSN 3040-01-187-6972 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-187-6972. Manufacturer of record part number: 7D7386.

Also searched as 3040-01-187-6972 · 3040011876972 · NIIN 011876972 · 01-187-6972 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 11083 · 7D7386

Nearby stock numbers ← 3040-01-187-6971 · 3040-01-187-6973 Shaft, Shouldered →

Features

Shaft,shouldered — FSC 3040
Step Quantity: 4
First End Style: SPLINED (STRAIGHT)
End Similarity: NOT IDENTICAL
Second End Style: STRAIGHT SPLINED AND EXTERNALLY THREADED
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 3040-01-187-6972
NIIN: 011876972
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 7D7386
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-187-6972, 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. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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	3040-01-187-6972
Primary Part Number	7D7386
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Step Quantity	4
First End Style	SPLINED (STRAIGHT)
End Similarity	NOT IDENTICAL
Second End Style	STRAIGHT SPLINED AND EXTERNALLY THREADED

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
7D7386 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)

No interchangeability data on file.

Other items in FSC 3040 — Miscellaneous Power Transmission Equipment

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

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3040-00-001-0046 · Item name not on file

3040-00-001-0047

3040-00-001-0047 · Item name not on file

3040-00-001-0048

3040-00-001-0048 · Item name not on file

3040-00-001-0068

3040-00-001-0068 · Item name not on file

3040-00-001-0077

3040-00-001-0077 · Item name not on file

3040-00-001-0078

3040-00-001-0078 · Item name not on file

3040-00-001-0089

3040-00-001-0089 · Item name not on file

3040-00-001-1224

3040-00-001-1224 · Item name not on file

Frequently Asked Questions

What is NSN 3040-01-187-6972?

NSN 3040-01-187-6972 is a Shaft,shouldered, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-187-6972?

NSN 3040-01-187-6972 has 1 manufacturer part number on file: 7D7386 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 7D7386?

Key specifications for 7D7386: Step Quantity: 4; First End Style: SPLINED (STRAIGHT); End Similarity: NOT IDENTICAL; Second End Style: STRAIGHT SPLINED AND EXTERNALLY THREADED. 4 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-187-6972 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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