PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P7439Piston,internal Combustion Engin

Safeguard Engine Parts Inc Sub of Safeguard Industries Inc · NSN 2805-00-756-8813 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-756-8813 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-756-8813. Primary manufacturer part number: P7439.
Features
  • Piston,internal Combustion Engin — FSC 2805
  • 14 verified cross-references
  • Primary manufacturer: Safeguard Engine Parts Inc Sub of Safeguard Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-756-8813, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Safeguard Engine Parts Inc Sub of Safeguard Industries Inc. This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePiston,internal Combustion Engin
FSC / FSG2805 — No Item Name Available (FSG 28)
ManufacturersEchlin Inc (CAGE 19239); Spx Corp (CAGE 53781); M & S Cartage Inc (CAGE 79975); Ertel Mfg Corp (CAGE 92947); Dana Corp Engine Products Div (CAGE 77220)
Technical Specifications
ParameterValue
NSN2805-00-756-8813
Primary Part NumberP7439
Item NamePiston,internal Combustion Engin
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerSafeguard Engine Parts Inc Sub of Safeguard Industries Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-126-522055-22135-63 INTERCHANGEABLE
Ring,lantern
Euramco Safety Inc
2590-00-236-951244055 INTERCHANGEABLE
Cap,filler Opening
Center - Moeller Products Llc
5342-00-482-15781090143 INTERCHANGEABLE
Latch,safety
The Crosby Group Llc Dba the Crosby Group
4820-00-557-7333 INTERCHANGEABLE
Valve,check
5960-00-688-7510Y2211 INTERCHANGEABLE
Electron Tube
Mpd Components, Inc.
6210-00-782-1742 INTERCHANGEABLE
Lens,light
5330-00-807-2264040157 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5935-00-856-351311-700 INTERCHANGEABLE
Connector,plug,electrical
Pollak Joseph Corp
5340-00-996-04054055 INTERCHANGEABLE
Shield,expansion
Star Expansion Co
3439-01-021-574780-5-5 INTERCHANGEABLE
Desoldering Wick
Illinois Tool Works Inc. Div Itw Chemtronics
Cross-Reference Index
Part NumberManufacturer
990P Echlin Inc (USA)
18629X Spx Corp (USA)
4055 M & S Cartage Inc (USA)
8121P Ertel Mfg Corp (USA)
990P Dana Corp Engine Products Div (USA)
P7439 PRIMARY Safeguard Engine Parts Inc Sub of Safeguard Industries Inc (USA)
948P Hansen Mfg Co Inc (USA)
L100NF PRIMARY Trw Inc Trw Steering and Suspension Div (USA)
222010R11 Navistar Intl Corp Truck Br Ohio Plant (USA)
222010R11 Navistar International Corporation Dba Navistar (USA)
18629X Bosch Automotive Service Solutions Inc. (USA)
P548AXSTD Mcquay-Norris Inc Oem Div an Skf Industries Co
222010R1 Navistar International Corporation Dba Navistar (USA)
8121P Nylen Products Inc (USA)
Related Parts
4320-00-126-5220INTERCHANGEABLE
RING,LANTERN
55-22135-63
2590-00-236-9512INTERCHANGEABLE
CAP,FILLER OPENING
44055
5342-00-482-1578INTERCHANGEABLE
LATCH,SAFETY
1090143
4820-00-557-7333INTERCHANGEABLE
VALVE,CHECK
5960-00-688-7510INTERCHANGEABLE
ELECTRON TUBE
Y2211
6210-00-782-1742INTERCHANGEABLE
LENS,LIGHT
5330-00-807-2264INTERCHANGEABLE
GASKET
040157
5935-00-856-3513INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
11-700
5340-00-996-0405INTERCHANGEABLE
SHIELD,EXPANSION
4055
3439-01-021-5747INTERCHANGEABLE
DESOLDERING WICK
80-5-5
6640-01-101-2989INTERCHANGEABLE
PIPET,SEROLOGICAL
3510-01-195-2111INTERCHANGEABLE
CLAMP,DRIVE ROLL
4014-703

Frequently Asked Questions

What is NSN 2805-00-756-8813?

NSN 2805-00-756-8813 is a Piston,internal Combustion Engin, manufactured by Safeguard Engine Parts Inc Sub of Safeguard Industries Inc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-756-8813?

NSN 2805-00-756-8813 has 14 cross-referenced part numbers: 990P (Echlin Inc), 18629X (Spx Corp), 4055 (M & S Cartage Inc), 8121P (Ertel Mfg Corp), 990P (Dana Corp Engine Products Div) and 9 more.

What NSN replaces 2805-00-756-8813?

There are 12 known substitutes for 2805-00-756-8813: 4320-00-126-5220, 2590-00-236-9512, 5342-00-482-1578 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 2805-00-756-8813 still in active supply?

NSN 2805-00-756-8813 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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