PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

4090Shop Equipment,utility

Name: 4090
SKU: 4940-01-478-0015

Better Engineering Manufacturing Inc · NSN 4940-01-478-0015 · FSC 4940 · No Item Name Available

Verified by PartsTable

NSN 4940-01-478-0015 — this item is cataloged by the U.S. Government under National Stock Number 4940-01-478-0015. Primary manufacturer part number: 4090.

4940-01-478-0015 — No Item Name Available illustration

Features

Shop Equipment,utility — FSC 4940
Criticality Code Justification: AGAV
2 verified cross-references
Primary manufacturer: Better Engineering Manufacturing Inc

Applications

Maintenance depot operations
Field repair and servicing
Vehicle maintenance facilities

General Description

The Shop Equipment,utility, cataloged under National Stock Number 4940-01-478-0015, is classified within Federal Supply Class 4940 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Better Engineering Manufacturing Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4940-01-478-0015
Primary Part Number	4090
Item Name	Shop Equipment,utility
FSC / FSG	4940 / 49 — No Item Name Available
Manufacturer	Better Engineering Manufacturing Inc
Status	ACTIVE
Criticality Code Justification	AGAV

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

5940-00-082-46193LT409037COH INTERCHANGEABLE

Terminal,lug

Brainin-Advance Industries, Llc

3110-00-158-6273A1837-1 INTERCHANGEABLE

Bearing,ball,thrust

Abc Acquisition Company Dba Aetna Bearing Company

5315-00-198-5984103617 INTERCHANGEABLE

Pin,tapered,plain

Chrysler Realty Company Llc Dba Daimler Chrysler

2910-00-383-9261 INTERCHANGEABLE

Pump,fuel,cam Actuated

5130-00-564-14924090 KIT INTERCHANGEABLE

Installation Tool,fastener,pneum

Zephyr Manufacturing Co., Inc. Dba Zephyr Manufacturing Co Inc

5310-00-818-40914090 INTERCHANGEABLE

Nut,plain,knurled

Roller Bearing Co of America, Inc Div Pic Design

5910-00-883-5768 INTERCHANGEABLE

Capacitor,fixed,paper Dielectric

5355-00-964-40394090 INTERCHANGEABLE

Pointer,dial

Wakmann Watch Company Inc

1660-01-091-8083 INTERCHANGEABLE

Connector,oxygen Hose to Regulat

4320-01-230-89964090 INTERCHANGEABLE

Deflector,dirt and Liquid

Weil Pump Co Inc

Cross-Reference Index

Part Number	Manufacturer
4489	Better Engineering Manufacturing Inc (USA)
4090 PRIMARY	Better Engineering Manufacturing Inc (USA)

Related Parts

5940-00-082-4619INTERCHANGEABLE

TERMINAL,LUG

3LT409037COH

3110-00-158-6273INTERCHANGEABLE

BEARING,BALL,THRUST

A1837-1

5315-00-198-5984INTERCHANGEABLE

PIN,TAPERED,PLAIN

103617

2910-00-383-9261INTERCHANGEABLE

PUMP,FUEL,CAM ACTUATED

5130-00-564-1492INTERCHANGEABLE

INSTALLATION TOOL,FASTENER,PNEUM

4090 KIT

5310-00-818-4091INTERCHANGEABLE

NUT,PLAIN,KNURLED

4090

5910-00-883-5768INTERCHANGEABLE

CAPACITOR,FIXED,PAPER DIELECTRIC

5355-00-964-4039INTERCHANGEABLE

POINTER,DIAL

4090

1660-01-091-8083INTERCHANGEABLE

CONNECTOR,OXYGEN HOSE TO REGULAT

4320-01-230-8996INTERCHANGEABLE

DEFLECTOR,DIRT AND LIQUID

4090

6530-01-300-6539INTERCHANGEABLE

SPECIMEN KIT,URINE

4090

5330-01-335-9536INTERCHANGEABLE

GASKET

4090

Frequently Asked Questions

What is NSN 4940-01-478-0015?

NSN 4940-01-478-0015 is a Shop Equipment,utility, manufactured by Better Engineering Manufacturing Inc, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-01-478-0015?

NSN 4940-01-478-0015 has 2 cross-referenced part numbers: 4489 (Better Engineering Manufacturing Inc), 4090 (Better Engineering Manufacturing Inc).

What NSN replaces 4940-01-478-0015?

There are 12 known substitutes for 4940-01-478-0015: 5940-00-082-4619, 3110-00-158-6273, 5315-00-198-5984 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4090?

Key specifications for 4090: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: STUFFING BOX,PARTS,; Special Features: NHA: DEGREASER/FACILITY TYPE EQUIPMENT; End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPTMENT. 4 total characteristics are documented in the Federal Logistics Information System.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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