Collar, Shaft3040-01-388-5293

NSN 3040-01-388-5293 · NIIN 013885293 · Part number 30878-1

Barnes Group Inc. Dba Barnes Distribution · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 05573

Government record, cited

NSN 3040-01-388-5293 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-388-5293. Manufacturer of record part number: 30878-1.

Also searched as 3040-01-388-5293 · 3040013885293 · NIIN 013885293 · 01-388-5293 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 05573 · 30878-1

Nearby stock numbers ← 3040-01-388-5272 Collar, Shaft · 3040-01-388-5303 Collar, Shaft →

Features

Collar,shaft — FSC 3040
Outside Diameter: 1.875 INCHES NOMINAL IN
Bore Diameter: 1.1250 INCHES NOMINAL IN
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Barnes Group Inc. Dba Barnes Distribution

Identification

NSN: 3040-01-388-5293
NIIN: 013885293
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 30878-1
Manufacturer: Barnes Group Inc. Dba Barnes Distribution

General Description

The Collar,shaft, cataloged under National Stock Number 3040-01-388-5293, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Barnes Group Inc. Dba Barnes Distribution. Government technical data includes 3 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	3040-01-388-5293
Primary Part Number	30878-1
Item Name	Collar,shaft
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Barnes Group Inc. Dba Barnes Distribution
Status	ACTIVE
Outside Diameter	1.875 INCHES NOMINAL IN
Bore Diameter	1.1250 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

Cross-Reference Index

Part Number	Manufacturer
30878-1 PRIMARY	Barnes Group Inc. Dba Barnes Distribution (USA)

Frequently Asked Questions

What is NSN 3040-01-388-5293?

NSN 3040-01-388-5293 is a Collar,shaft, manufactured by Barnes Group Inc. Dba Barnes Distribution, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-388-5293?

NSN 3040-01-388-5293 has 1 manufacturer part number on file: 30878-1 (Barnes Group Inc. Dba Barnes Distribution).

What are the specifications of 30878-1?

Key specifications for 30878-1: Outside Diameter: 1.875 INCHES NOMINAL IN; Special Features: TWO PIECE COLLAR; Bore Diameter: 1.1250 INCHES NOMINAL IN; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-388-5293 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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