PartsTable TECHNICAL DATA SHEET

NSN 3040-01-126-8922Government record, cited

Shaft, Shouldered3040-01-126-8922

NSN 3040-01-126-8922 · NIIN 011268922

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

Government record, cited

Also searched as 3040-01-126-8922 · 3040011268922 · NIIN 011268922 · 01-126-8922 · FSC 3040 Miscellaneous Power Transmission Equipment · 87832-1638 ITEM25 · 87832-1638 · 709-4684909 ITEM 25 · 709-4684909 · 87832-1638 ITEM 25

Nearby stock numbers ← 3040-01-126-8921 Collar, Shaft · 3040-01-126-9051 →

Features

Shaft,shouldered — FSC 3040
Surface Finish: 63.0 MICROINCHES
Step Quantity: 7
First End Diameter: 0.5000 INCHES NOMINAL IN
Largest Step Diameter: 1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN
First End External Thread Length: 0.650 INCHES NOMINAL IN
First End Style: EXTERNAL THREADED
Material Document and Classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE

Identification

NSN: 3040-01-126-8922
NIIN: 011268922
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-126-8922, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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	3040-01-126-8922
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Status	ACTIVE
Surface Finish	63.0 MICROINCHES
Step Quantity	7
First End Diameter	0.5000 INCHES NOMINAL IN
Largest Step Diameter	1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN
First End External Thread Length	0.650 INCHES NOMINAL IN
First End Style	EXTERNAL THREADED
Material Document and Classification	QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
End Similarity	IDENTICAL
Material	STEEL COMP 304

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 7

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

3040-01-126-982287832-1638 ITEM 31 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

2030-01-127-1168209-4684909 ITEM 26 POSSIBLE MATCH

BLOCK,SLIDE

Possible match (shared part number)Naval Sea Systems Command

1090-01-134-89504684909-0001 POSSIBLE MATCH

TRAY,PIVOT

Possible match (shared part number)Naval Ship Systems Command

3040-01-151-563687832-1638 ITEM 32 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-151-713987832-1638 ITEM 33 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-151-714087832-1638 ITEM 34 POSSIBLE MATCH

SHAFT,STRAIGHT

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

3040-01-152-0178709-4684909 ITEM 14 POSSIBLE MATCH

SHAFT,SHOULDERED

Possible match (shared part number)Naval Sea Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
87832-1638 ITEM25	5/9 Secondary reference Drw Mfg Co
87832-1638	D/9 Drawing number reference only U.S. Government activity
709-4684909 ITEM 25	5/2 Secondary reference U.S. Government activity
709-4684909	D/9 Drawing number reference only U.S. Government activity
87832-1638 ITEM 25	3/2 Design control — primary reference U.S. Government activity

Related Parts

3040-01-126-9822POSSIBLE MATCH

SHAFT,STRAIGHT

87832-1638 ITEM 31

2030-01-127-1168POSSIBLE MATCH

BLOCK,SLIDE

209-4684909 ITEM 26

1090-01-134-8950POSSIBLE MATCH

TRAY,PIVOT

4684909-0001

3040-01-151-5636POSSIBLE MATCH

SHAFT,STRAIGHT

87832-1638 ITEM 32

3040-01-151-7139POSSIBLE MATCH

SHAFT,STRAIGHT

87832-1638 ITEM 33

3040-01-151-7140POSSIBLE MATCH

SHAFT,STRAIGHT

87832-1638 ITEM 34

3040-01-152-0178POSSIBLE MATCH

SHAFT,SHOULDERED

709-4684909 ITEM 14

Frequently Asked Questions

What is NSN 3040-01-126-8922?

NSN 3040-01-126-8922 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What NSN replaces 3040-01-126-8922?

7 possible matches (shared part number, not a government interchangeability claim): 3040-01-126-9822, 2030-01-127-1168, 1090-01-134-8950. Verify interchangeability with system specifications before substitution.

What are the specifications of 3040-01-126-8922?

Key specifications for 3040-01-126-8922: Surface Finish: 63.0 MICROINCHES; Step Quantity: 7; First End Diameter: 0.5000 INCHES NOMINAL IN; Largest Step Diameter: 1.182 INCHES MINIMUM AND 1.183 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-126-8922 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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