PartsTable TECHNICAL DATA SHEET

NSN 3040-01-338-3938Government record, cited

Shaft, Shouldered3040-01-338-3938

NSN 3040-01-338-3938 · NIIN 013383938 · Part number B6314

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 61208

Government record, cited

NSN 3040-01-338-3938 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-338-3938. Manufacturer of record part number: B6314.

Also searched as 3040-01-338-3938 · 3040013383938 · NIIN 013383938 · 01-338-3938 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 61208 · B6314 · B6314 XA7533 · XA-7533

Nearby stock numbers ← 3040-01-338-3937 Shaft, Shouldered · 3040-01-338-3939 Shaft, Shouldered →

Features

Shaft,shouldered — FSC 3040
1 manufacturer part number on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 3040-01-338-3938
NIIN: 013383938
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: B6314
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-338-3938, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Shaft,shouldered
FSC / FSG	3040 — Miscellaneous Power Transmission Equipment (FSG 30)
Manufacturers	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)

Technical Specifications

Parameter	Value
NSN	3040-01-338-3938
Primary Part Number	B6314
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
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 4

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

3040-01-338-3940XB6316 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

3020-01-338-4545B6081A POSSIBLE MATCH

GEAR,HELICAL

Possible match (shared part number)Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

3020-01-338-4546B5873E POSSIBLE MATCH

GEAR,HELICAL

Possible match (shared part number)Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

3020-01-338-6500B5894E POSSIBLE MATCH

GEAR,HELICAL

Possible match (shared part number)Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Cross-Reference Index

Part Number	Manufacturer
B6314 PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)

Reference documents

Reference	Meaning
B6314 XA7533	5/9 Secondary reference Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
XA-7533	D/9 Drawing number reference only Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Related Parts

3040-01-338-3940POSSIBLE MATCH

SHAFT,SHOULDERED

XB6316

3020-01-338-4545POSSIBLE MATCH

GEAR,HELICAL

B6081A

3020-01-338-4546POSSIBLE MATCH

GEAR,HELICAL

B5873E

3020-01-338-6500POSSIBLE MATCH

GEAR,HELICAL

B5894E

Frequently Asked Questions

What is NSN 3040-01-338-3938?

NSN 3040-01-338-3938 is a Shaft,shouldered, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-338-3938?

NSN 3040-01-338-3938 has 1 manufacturer part number on file: B6314 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 3040-01-338-3938?

4 possible matches (shared part number, not a government interchangeability claim): 3040-01-338-3940, 3020-01-338-4545, 3020-01-338-4546. Verify interchangeability with system specifications before substitution.

Is NSN 3040-01-338-3938 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.

PartsTable Design LLC · partstable.com