PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122385Adapter Straight Pi

Arnold a Semler Inc · NSN 4730-00-778-3500 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-778-3500 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-778-3500. Primary manufacturer part number: 122385.
Features
  • Adapter Straight Pi — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Arnold a Semler Inc
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter Straight Pi, cataloged under National Stock Number 4730-00-778-3500, 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 Arnold a Semler Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameAdapter Straight Pi
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersArnold a Semler Inc (CAGE 50870)
Technical Specifications
ParameterValue
NSN4730-00-778-3500
Primary Part Number122385
Item NameAdapter Straight Pi
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArnold a Semler Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-01-421-5396 INTERCHANGEABLE
Printed Circuit Board
1240-01-551-575511400 INTERCHANGEABLE
Mount Subassembly
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
122385 Arnold a Semler Inc (USA)
Related Parts
5998-01-421-5396INTERCHANGEABLE
PRINTED CIRCUIT BOARD
1240-01-551-5755INTERCHANGEABLE
MOUNT SUBASSEMBLY
11400

Frequently Asked Questions

What is NSN 4730-00-778-3500?

NSN 4730-00-778-3500 is a Adapter Straight Pi, manufactured by Arnold a Semler Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-778-3500?

NSN 4730-00-778-3500 has 1 cross-referenced part number: 122385 (Arnold a Semler Inc).

What NSN replaces 4730-00-778-3500?

There are 2 known substitutes for 4730-00-778-3500: 5998-01-421-5396, 1240-01-551-5755. Verify interchangeability with system specifications before substitution.

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