PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2738Pin,piston

Marion Div of Tecumseh Products Co · NSN 4310-00-849-5939 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-849-5939 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-849-5939. Primary manufacturer part number: 2738.
Features
  • Pin,piston — FSC 4310
  • Plug Type: PIN RETAINING
  • Material: STEEL COMP 1020
  • Material Document and Classification: QQ-S-633, FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
  • Casehardening Indicator: CASEHARDENED
  • Metallic Hardness Rating: 58.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C
  • 2 verified cross-references
  • Primary manufacturer: Marion Div of Tecumseh Products Co
Applications
  • Applications requiring Steel Comp 1020 construction
General Description

The Pin,piston, cataloged under National Stock Number 4310-00-849-5939, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Marion Div of Tecumseh Products Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-00-849-5939
Primary Part Number2738
Item NamePin,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerMarion Div of Tecumseh Products Co
StatusACTIVE
Plug TypePIN RETAINING
MaterialSTEEL COMP 1020
Material Document and ClassificationQQ-S-633, FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
Casehardening IndicatorCASEHARDENED
Metallic Hardness Rating58.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-171-8248ADG5877A INTERCHANGEABLE
O-Ring
Fairbanks Morse, Llc
5310-00-527-7033273-8 INTERCHANGEABLE
Washer,flat
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
2520-00-615-60206156020 INTERCHANGEABLE
Shifter Fork,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-729-869627-38 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5365-00-825-3915TT324 INTERCHANGEABLE
Ring,connecting,round
Drs Environmental Systems Inc
4730-01-157-417710513136 INTERCHANGEABLE
Elbow,boss
General Dynamics Land Systems Canadacorp
5130-01-158-3595273-8 INTERCHANGEABLE
Bit,screwdriver
Apex Tool Group, Llc
5915-01-244-93880955-0115 INTERCHANGEABLE
Filter,band Pass
Keysight Technologies Inc
6530-01-519-42512738 INTERCHANGEABLE
Ultrasonic Apparatus and Muscle
Djo Llc
Cross-Reference Index
Part NumberManufacturer
2738 Marion Div of Tecumseh Products Co (USA)
2738 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
Related Parts
5331-00-171-8248INTERCHANGEABLE
O-RING
ADG5877A
5310-00-527-7033INTERCHANGEABLE
WASHER,FLAT
273-8
2520-00-615-6020INTERCHANGEABLE
SHIFTER FORK,VEHICULAR
6156020
5935-00-729-8696INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-38
5365-00-825-3915INTERCHANGEABLE
RING,CONNECTING,ROUND
TT324
4730-01-157-4177INTERCHANGEABLE
ELBOW,BOSS
10513136
5130-01-158-3595INTERCHANGEABLE
BIT,SCREWDRIVER
273-8
5915-01-244-9388INTERCHANGEABLE
FILTER,BAND PASS
0955-0115
6530-01-519-4251INTERCHANGEABLE
ULTRASONIC APPARATUS AND MUSCLE
2738

Frequently Asked Questions

What is NSN 4310-00-849-5939?

NSN 4310-00-849-5939 is a Pin,piston, manufactured by Marion Div of Tecumseh Products Co, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-849-5939?

NSN 4310-00-849-5939 has 2 cross-referenced part numbers: 2738 (Marion Div of Tecumseh Products Co), 2738 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc).

What NSN replaces 4310-00-849-5939?

There are 9 known substitutes for 4310-00-849-5939: 5331-00-171-8248, 5310-00-527-7033, 2520-00-615-6020 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2738?

Key specifications for 2738: Plug Type: PIN RETAINING; Material: STEEL COMP 1020; Material Document and Classification: QQ-S-633, FS1020-CANCELED FED SPEC SINGLE MATERIAL RESPONSE; Casehardening Indicator: CASEHARDENED. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com