PartsTable TECHNICAL DATA SHEET

NSN 3040-01-434-6907Government record, cited

Shaft, Straight3040-01-434-6907

NSN 3040-01-434-6907 · NIIN 014346907

FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3040-01-434-6907 · 3040014346907 · NIIN 014346907 · 01-434-6907 · FSC 3040 Miscellaneous Power Transmission Equipment · 15242015 · 15241000 ITEM 83 · 15242015-003 · 15242015-003 · 15241000 ITEM 83

Nearby stock numbers ← 3040-01-434-6849 Kickdown Assembly, Parking Sprag · 3040-01-434-7004 Shaft, Straight →

Features

Shaft,straight — FSC 3040
Surface Finish: 125.0 MICROINCHES
First End Diameter: 1.3745 INCHES NOMINAL IN
First End Style: FLAT KEYWAY
First End Keyway Depth: 0.181 INCHES NOMINAL IN
End Similarity: IDENTICAL
Material: STEEL COMP 4130
External Keyway Length: 1.300 INCHES NOMINAL FIRST END IN

Identification

NSN: 3040-01-434-6907
NIIN: 014346907
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,straight, cataloged under National Stock Number 3040-01-434-6907, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3040-01-434-6907
Item Name	Shaft,straight
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	125.0 MICROINCHES
First End Diameter	1.3745 INCHES NOMINAL IN
First End Style	FLAT KEYWAY
First End Keyway Depth	0.181 INCHES NOMINAL IN
End Similarity	IDENTICAL
Material	STEEL COMP 4130
External Keyway Length	1.300 INCHES NOMINAL FIRST END IN
First End Keyway Width	0.3150 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

⇄ Related Items 8

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

3040-01-434-7004 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)

3040-01-434-7245 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)

3020-01-434-8047J15242016-001 POSSIBLE MATCH

SPROCKET WHEEL

Possible match (shared part number)Jered Llc

3010-01-434-9651T35L X 1.125 POSSIBLE MATCH

TORQUE LIMITER ASSEMBLY,MECHANIC

Possible match (shared part number)Emerson Electric Co Browning Mfg Div

3020-01-435-007450B20 POSSIBLE MATCH

SPROCKET WHEEL

Possible match (shared part number)Figgie Intl Inc Logan Co Div

3020-01-435-011815241034-009 POSSIBLE MATCH

PULLEY,GROOVE

Possible match (shared part number)Jered Llc

3950-01-435-493515241000-009 POSSIBLE MATCH

HOIST,CHAIN

Possible match (shared part number)Jered Llc

3950-01-435-498215241022-109 POSSIBLE MATCH

ACTUATOR,CHAIN LIMI

Possible match (shared part number)Jered Llc

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
15242015	D/9 Drawing number reference only U.S. Government activity
15241000 ITEM 83	C/1 Advisory reference — outside the item-of-supply concept Gulf Coast Holdings, Inc Dba Unidynamics
15242015-003	C/1 Advisory reference — outside the item-of-supply concept Gulf Coast Holdings, Inc Dba Unidynamics
15242015-003	3/9 Design control — primary reference U.S. Government activity
15241000 ITEM 83	5/9 Secondary reference U.S. Government activity
15241000	D/9 Drawing number reference only U.S. Government activity

Related Parts

3040-01-434-7004POSSIBLE MATCH

SHAFT,STRAIGHT

3040-01-434-7245POSSIBLE MATCH

SHAFT,SHOULDERED

3020-01-434-8047POSSIBLE MATCH

SPROCKET WHEEL

J15242016-001

3010-01-434-9651POSSIBLE MATCH

TORQUE LIMITER ASSEMBLY,MECHANIC

T35L X 1.125

3020-01-435-0074POSSIBLE MATCH

SPROCKET WHEEL

50B20

3020-01-435-0118POSSIBLE MATCH

PULLEY,GROOVE

15241034-009

3950-01-435-4935POSSIBLE MATCH

HOIST,CHAIN

15241000-009

3950-01-435-4982POSSIBLE MATCH

ACTUATOR,CHAIN LIMI

15241022-109

Frequently Asked Questions

What is NSN 3040-01-434-6907?

NSN 3040-01-434-6907 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What NSN replaces 3040-01-434-6907?

8 possible matches (shared part number, not a government interchangeability claim): 3040-01-434-7004, 3040-01-434-7245, 3020-01-434-8047. Verify interchangeability with system specifications before substitution.

What are the specifications of 3040-01-434-6907?

Key specifications for 3040-01-434-6907: Surface Finish: 125.0 MICROINCHES; First End Diameter: 1.3745 INCHES NOMINAL IN; First End Style: FLAT KEYWAY; Overall Length: 18.3400 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-434-6907 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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