PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4002708Parts Kit,steam Trap

Armstrong International Inc Dba Armstrong Machine Works · NSN 4730-00-391-8146 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-391-8146 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-391-8146. Primary manufacturer part number: 4002708.
Features
  • Parts Kit,steam Trap — FSC 4730
  • Component Quantity: 5
  • Nonsupply Items and Quantities: GUIDE PIN ASSEMBLY 1;VALVE SEAT 1;VALVE LEVER 1;BOLTS 2
  • 2 verified cross-references
  • Primary manufacturer: Armstrong International Inc Dba Armstrong Machine Works
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Parts Kit,steam Trap, cataloged under National Stock Number 4730-00-391-8146, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 2 verified specifications, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-391-8146
Primary Part Number4002708
Item NameParts Kit,steam Trap
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArmstrong International Inc Dba Armstrong Machine Works
StatusACTIVE
Component Quantity5
Nonsupply Items and QuantitiesGUIDE PIN ASSEMBLY 1;VALVE SEAT 1;VALVE LEVER 1;BOLTS 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5210-00-245-2503132-18 INTERCHANGEABLE
Level,bench
L.s. Starrett Company (the) Div Tool Division
6145-00-295-0808 INTERCHANGEABLE
Wire,electrical
2840-00-329-1285 INTERCHANGEABLE
Baffle,gearbox
5360-00-931-8698N13218 INTERCHANGEABLE
Spring,special
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
4002708 PRIMARY Armstrong International Inc Dba Armstrong Machine Works (USA)
13-21-8 Armstrong International Inc Dba Armstrong Machine Works (USA)
Related Parts
5210-00-245-2503INTERCHANGEABLE
LEVEL,BENCH
132-18
6145-00-295-0808INTERCHANGEABLE
WIRE,ELECTRICAL
2840-00-329-1285INTERCHANGEABLE
BAFFLE,GEARBOX
5360-00-931-8698INTERCHANGEABLE
SPRING,SPECIAL
N13218

Frequently Asked Questions

What is NSN 4730-00-391-8146?

NSN 4730-00-391-8146 is a Parts Kit,steam Trap, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-391-8146?

NSN 4730-00-391-8146 has 2 cross-referenced part numbers: 4002708 (Armstrong International Inc Dba Armstrong Machine Works), 13-21-8 (Armstrong International Inc Dba Armstrong Machine Works).

What NSN replaces 4730-00-391-8146?

There are 4 known substitutes for 4730-00-391-8146: 5210-00-245-2503, 6145-00-295-0808, 2840-00-329-1285 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4002708?

Key specifications for 4002708: Component Quantity: 5; End Item Identification: 313 STEAM TRAP,0-600 PSI; Nonsupply Items and Quantities: GUIDE PIN ASSEMBLY 1;VALVE SEAT 1;VALVE LEVER 1;BOLTS 2. 3 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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