PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C4127Trap Assembly

Armstrong International Inc Dba Armstrong Machine Works · NSN 4730-01-092-1308 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-092-1308 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-092-1308. Primary manufacturer part number: C4127.
Features
  • Trap Assembly — FSC 4730
  • General Characteristics Item Description: OPERATING PRESSURE,25 PSI;DESIGN PRESSURE,45 PSI;TEST PRESSURE 68 PSI
  • 5 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 Trap Assembly, cataloged under National Stock Number 4730-01-092-1308, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-092-1308
Primary Part NumberC4127
Item NameTrap Assembly
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArmstrong International Inc Dba Armstrong Machine Works
StatusACTIVE
General Characteristics Item DescriptionOPERATING PRESSURE,25 PSI;DESIGN PRESSURE,45 PSI;TEST PRESSURE 68 PSI
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-517-17674127 INTERCHANGEABLE
Pulley,groove
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Cross-Reference Index
Part NumberManufacturer
026-31961 Johnson Controls Navy Systems, Llc (USA)
C3228 Armstrong International Inc Dba Armstrong Machine Works (USA)
C4127 PRIMARY Armstrong International Inc Dba Armstrong Machine Works (USA)
B-1830-E Armstrong International Inc Dba Armstrong Machine Works (USA)
C3228 Steam Economies Co (inc) Dba Seco (USA)
Related Parts
3020-00-517-1767INTERCHANGEABLE
PULLEY,GROOVE
4127

Frequently Asked Questions

What is NSN 4730-01-092-1308?

NSN 4730-01-092-1308 is a Trap Assembly, 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 4730-01-092-1308?

NSN 4730-01-092-1308 has 5 cross-referenced part numbers: 026-31961 (Johnson Controls Navy Systems, Llc), C3228 (Armstrong International Inc Dba Armstrong Machine Works), C4127 (Armstrong International Inc Dba Armstrong Machine Works), B-1830-E (Armstrong International Inc Dba Armstrong Machine Works), C3228 (Steam Economies Co (inc) Dba Seco).

What NSN replaces 4730-01-092-1308?

There is 1 known substitute for 4730-01-092-1308: 3020-00-517-1767. Verify interchangeability with system specifications before substitution.

What are the specifications of C4127?

Key specifications for C4127: General Characteristics Item Description: OPERATING PRESSURE,25 PSI;DESIGN PRESSURE,45 PSI;TEST PRESSURE 68 PSI; End Item Identification: SHIP,OHIO CLASS SSN (TRIDENT). 2 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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