PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1440-4Guide,piston

Lear Siegler Inc Hypro Div · NSN 4940-00-907-5983 · FSC 4940 · No Item Name Available
Verified by PartsTable
NSN 4940-00-907-5983 — this item is cataloged by the U.S. Government under National Stock Number 4940-00-907-5983. Primary manufacturer part number: 1440-4.
Features
  • Guide,piston — FSC 4940
  • 1 verified cross-reference
  • Primary manufacturer: Lear Siegler Inc Hypro Div
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Guide,piston, cataloged under National Stock Number 4940-00-907-5983, 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 Lear Siegler Inc Hypro Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGuide,piston
FSC / FSG4940 — No Item Name Available (FSG 49)
ManufacturersLear Siegler Inc Hypro Div (CAGE 94001)
Technical Specifications
ParameterValue
NSN4940-00-907-5983
Primary Part Number1440-4
Item NameGuide,piston
FSC / FSG4940 / 49 — No Item Name Available
ManufacturerLear Siegler Inc Hypro Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5990-00-224-9408917123-1 INTERCHANGEABLE
Synchro,differential Transmitter
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5136-00-262-2195FRS T126 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
2530-00-274-4443647712 INTERCHANGEABLE
Brake Lining Kit
Am General Llc
5220-00-566-40591440-4 INTERCHANGEABLE
Gage,plug,thread
Stanley Engineered Fastening Llc
5945-00-583-7564 INTERCHANGEABLE
Relay,electromagnetic
5305-01-138-9547 INTERCHANGEABLE
Screw,cap,hexagon Head
5310-01-178-7335DIN 1440 4 INTERCHANGEABLE
Washer,flat
Metric and Multistandard Components Corp
5330-01-495-937057K4389 INTERCHANGEABLE
Gasket
U S Army Tank Automotive Command Amsta-Im-Mm
5305-01-586-852914404 INTERCHANGEABLE
Screw,cap,hexagon Head
Indiana Mills & Manufacturing Inc Dba Indiana Mills & Manufacturing Inc
6515-01-595-903214404 INTERCHANGEABLE
Faceplate,ostomy Bag
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
1440-4 PRIMARY Lear Siegler Inc Hypro Div (USA)
Related Parts
5990-00-224-9408INTERCHANGEABLE
SYNCHRO,DIFFERENTIAL TRANSMITTER
917123-1
5136-00-262-2195INTERCHANGEABLE
TAP,THREAD CUTTING
FRS T126
2530-00-274-4443INTERCHANGEABLE
BRAKE LINING KIT
647712
5220-00-566-4059INTERCHANGEABLE
GAGE,PLUG,THREAD
1440-4
5945-00-583-7564INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5305-01-138-9547INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
5310-01-178-7335INTERCHANGEABLE
WASHER,FLAT
DIN 1440 4
5330-01-495-9370INTERCHANGEABLE
GASKET
57K4389
5305-01-586-8529INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
14404
6515-01-595-9032INTERCHANGEABLE
FACEPLATE,OSTOMY BAG
14404

Frequently Asked Questions

What is NSN 4940-00-907-5983?

NSN 4940-00-907-5983 is a Guide,piston, manufactured by Lear Siegler Inc Hypro Div, classified under FSC 4940 (No Item Name Available). Status: active.

What are the part numbers for NSN 4940-00-907-5983?

NSN 4940-00-907-5983 has 1 cross-referenced part number: 1440-4 (Lear Siegler Inc Hypro Div).

What NSN replaces 4940-00-907-5983?

There are 10 known substitutes for 4940-00-907-5983: 5990-00-224-9408, 5136-00-262-2195, 2530-00-274-4443 and 7 more. Verify interchangeability with system specifications before substitution.

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