PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

405898Elbow,boss

Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc · NSN 4730-01-538-1710 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-538-1710 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-538-1710. Primary manufacturer part number: 405898.
Features
  • Elbow,boss — FSC 4730
  • Reduced Passage Nominal Inside Diameter: 1.188 INCHES SECOND END IN
  • Connection Type: THREADED INTERNAL BOSS ALL ENDS
  • Connection Style: GASKET SEAL (BOSS) ALL ENDS
  • Flow Angle: 90.0 DEGREES
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Applications
  • Applications requiring Steel Overall construction
General Description

The Elbow,boss, cataloged under National Stock Number 4730-01-538-1710, 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 Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-538-1710
Primary Part Number405898
Item NameElbow,boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
StatusACTIVE
Reduced Passage Nominal Inside Diameter1.188 INCHES SECOND END IN
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Connection StyleGASKET SEAL (BOSS) ALL ENDS
Flow Angle90.0 DEGREES
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5970-00-253-9871NY10-030 INTERCHANGEABLE
Insulator,bushing
The Delbert Blinn Co Inc
6110-01-198-97125531662 ASSEMBLY 99 INTERCHANGEABLE
Panel,control Assembly
Huntington Ingalls Inc Div Newport News Shipbuilding
Cross-Reference Index
Part NumberManufacturer
405898 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
FGFF6801-12-16 Tompkins Industries Inc (USA)
Related Parts
5970-00-253-9871INTERCHANGEABLE
INSULATOR,BUSHING
NY10-030
6110-01-198-9712INTERCHANGEABLE
PANEL,CONTROL ASSEMBLY
5531662 ASSEMBLY 99

Frequently Asked Questions

What is NSN 4730-01-538-1710?

NSN 4730-01-538-1710 is a Elbow,boss, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-538-1710?

NSN 4730-01-538-1710 has 2 cross-referenced part numbers: 405898 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc), FGFF6801-12-16 (Tompkins Industries Inc).

What NSN replaces 4730-01-538-1710?

There are 2 known substitutes for 4730-01-538-1710: 5970-00-253-9871, 6110-01-198-9712. Verify interchangeability with system specifications before substitution.

What are the specifications of 405898?

Key specifications for 405898: Reduced Passage Nominal Inside Diameter: 1.188 INCHES SECOND END IN; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Flow Angle: 90.0 DEGREES. 8 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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