Shaft, Shouldered3040-01-304-7571

NSN 3040-01-304-7571 · NIIN 013047571 · Part number 977B951H01

Northrop Grumman Systems Corporation Dba Electronic Systems · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 18323

Government record, cited

NSN 3040-01-304-7571 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-304-7571. Manufacturer of record part number: 977B951H01.

Also searched as 3040-01-304-7571 · 3040013047571 · NIIN 013047571 · 01-304-7571 · FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 18323 · 977B951H01

Nearby stock numbers ← 3040-01-304-7570 Shaft, Straight · 3040-01-304-7626 Cap, Linear Actuating Cylinder →

Features

Shaft,shouldered — FSC 3040
Second End Flat Length: 0.2500 INCHES NOMINAL IN
Step Quantity: 5
First End Diameter: 0.2500 INCHES NOMINAL IN
Second End Diameter: 0.2500 INCHES NOMINAL IN
Largest Step Diameter: 0.3800 INCHES NOMINAL IN
First End Style: PLAIN
Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE

Identification

NSN: 3040-01-304-7571
NIIN: 013047571
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 977B951H01
Manufacturer: Northrop Grumman Systems Corporation Dba Electronic Systems

General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-304-7571, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Electronic Systems. Government technical data includes 11 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	3040-01-304-7571
Primary Part Number	977B951H01
Item Name	Shaft,shouldered
FSC / FSG	3040 / 30 — Miscellaneous Power Transmission Equipment
Manufacturer	Northrop Grumman Systems Corporation Dba Electronic Systems
Status	ACTIVE
Second End Flat Length	0.2500 INCHES NOMINAL IN
Step Quantity	5
First End Diameter	0.2500 INCHES NOMINAL IN
Second End Diameter	0.2500 INCHES NOMINAL IN
Largest Step Diameter	0.3800 INCHES NOMINAL IN
First End Style	PLAIN
Material Document and Classification	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
End Similarity	NOT IDENTICAL
Second End Style	FLATTED
Material	STEEL
Second End Flat Depth	0.4000 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
977B951H01 PRIMARY	Northrop Grumman Systems Corporation Dba Electronic Systems (USA)

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 3040-01-304-7571?

NSN 3040-01-304-7571 is a Shaft,shouldered, manufactured by Northrop Grumman Systems Corporation Dba Electronic Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.

What part numbers are listed for NSN 3040-01-304-7571?

NSN 3040-01-304-7571 has 1 manufacturer part number on file: 977B951H01 (Northrop Grumman Systems Corporation Dba Electronic Systems).

What are the specifications of 977B951H01?

Key specifications for 977B951H01: Second End Flat Length: 0.2500 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 0.2500 INCHES NOMINAL IN; Second End Diameter: 0.2500 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3040-01-304-7571 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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