PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

517-1Cylinder,second Stage

Fl Industries Inc Pneumotive Div · NSN 4310-00-738-1981 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-738-1981 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-738-1981. Primary manufacturer part number: 517-1.
Features
  • Cylinder,second Stage — FSC 4310
  • 1 verified cross-reference
  • Primary manufacturer: Fl Industries Inc Pneumotive Div
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Cylinder,second Stage, cataloged under National Stock Number 4310-00-738-1981, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Fl Industries Inc Pneumotive Div. This item has 1 commercial cross-reference 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
ParameterValue
NSN4310-00-738-1981
Primary Part Number517-1
Item NameCylinder,second Stage
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerFl Industries Inc Pneumotive Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6610-00-514-5314517-1 INTERCHANGEABLE
Indicator,position
Jewell Instruments Llc
5310-00-515-73298784220 INTERCHANGEABLE
Washer,spring Tension
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
4730-00-555-1567 INTERCHANGEABLE
Elbow,pipe
3940-00-641-4153 INTERCHANGEABLE
Block,tackle
5935-00-811-1219CA53255-1 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
4820-00-812-3666 INTERCHANGEABLE
Valve,globe
6520-01-190-62775171 INTERCHANGEABLE
Disk,abrasive
Dedeco International Sales, Inc.
5950-01-264-7889164819 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon Co
4820-01-297-4876 INTERCHANGEABLE
Adapter,valve
3895-01-312-4405FQB330B-6-SPEC INTERCHANGEABLE
Reel,cable
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
517-1 PRIMARY Fl Industries Inc Pneumotive Div (USA)
Related Parts
6610-00-514-5314INTERCHANGEABLE
INDICATOR,POSITION
517-1
5310-00-515-7329INTERCHANGEABLE
WASHER,SPRING TENSION
8784220
4730-00-555-1567INTERCHANGEABLE
ELBOW,PIPE
3940-00-641-4153INTERCHANGEABLE
BLOCK,TACKLE
5935-00-811-1219INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
CA53255-1
4820-00-812-3666INTERCHANGEABLE
VALVE,GLOBE
6520-01-190-6277INTERCHANGEABLE
DISK,ABRASIVE
5171
5950-01-264-7889INTERCHANGEABLE
TRANSFORMER,PULSE
164819
4820-01-297-4876INTERCHANGEABLE
ADAPTER,VALVE
3895-01-312-4405INTERCHANGEABLE
REEL,CABLE
FQB330B-6-SPEC
6515-01-348-6044INTERCHANGEABLE
NEEDLE,HYPODERMIC
405171
5340-01-399-3853INTERCHANGEABLE
CLAMP,BRIDGE
12002

Frequently Asked Questions

What is NSN 4310-00-738-1981?

NSN 4310-00-738-1981 is a Cylinder,second Stage, manufactured by Fl Industries Inc Pneumotive Div, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-738-1981?

NSN 4310-00-738-1981 has 1 cross-referenced part number: 517-1 (Fl Industries Inc Pneumotive Div).

What NSN replaces 4310-00-738-1981?

There are 12 known substitutes for 4310-00-738-1981: 6610-00-514-5314, 5310-00-515-7329, 4730-00-555-1567 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 517-1?

Key specifications for 517-1: End Item Identification: VACUUM SYSTEMS MODEL PMU4E. 1 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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