PartsTable TECHNICAL DATA SHEET

NSN 3040-01-657-9381Government record, cited

Hub, Body3040-01-657-9381

NSN 3040-01-657-9381 · NIIN 016579381 · Part number 11SCH 2-7/8

TB Woods's Corporation · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 79425

Government record, cited

NSN 3040-01-657-9381 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-657-9381. Manufacturer of record part number: 11SCH 2-7/8.

Also searched as 3040-01-657-9381 · 3040016579381 · NIIN 016579381 · 01-657-9381 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 79425 · 11SCH 2-7/8 · 741478 REV 5 ITEM 8 · 11SCH278 CAT-CUT

Nearby stock numbers ← 3040-01-657-9310 Control Assembly, Push-Pull · 3040-01-657-9439 Shaft, Straight →

Features

Hub,body — FSC 3040
Hub Inside Diameter: 2.875 INCHES NOMINAL IN
2 manufacturer part numbers on file
Manufacturer of record: TB Woods's Corporation

Identification

NSN: 3040-01-657-9381
NIIN: 016579381
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 11SCH 2-7/8
Manufacturer: TB Woods's Corporation

General Description

The Hub,body, cataloged under National Stock Number 3040-01-657-9381, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is TB Woods's Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-657-9381
Primary Part Number	11SCH 2-7/8
Item Name	Hub,body
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	TB Woods's Corporation
Status	ACTIVE
Hub Inside Diameter	2.875 INCHES NOMINAL IN

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
11SCH 2-7/8 PRIMARY	TB Woods's Corporation (USA)
11SCH278 CAT-CUT	TB Woods's Corporation (USA)

Reference documents

Reference	Meaning
741478 REV 5 ITEM 8	5/1 Secondary reference Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.

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.

3040-00-001-0046

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 3040-01-657-9381?

NSN 3040-01-657-9381 is a Hub,body, manufactured by TB Woods's Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-657-9381?

NSN 3040-01-657-9381 has 2 manufacturer part numbers on file: 11SCH 2-7/8 (TB Woods's Corporation), 11SCH278 CAT-CUT (TB Woods's Corporation).

What are the specifications of 11SCH 2-7/8?

Key specifications for 11SCH 2-7/8: Hub Inside Diameter: 2.875 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COUPLING HUB. 1 specification is documented in the U.S. Government catalog.

Is NSN 3040-01-657-9381 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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