PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

403731Elbow,tube to Boss

Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc · NSN 4730-01-538-3973 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-538-3973 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-538-3973. Primary manufacturer part number: 403731.
Features
  • Elbow,tube to Boss — FSC 4730
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-538-3973, 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 1 verified specification, 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
NSN4730-01-538-3973
Primary Part Number403731
Item NameElbow,tube to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCrysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
StatusACTIVE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-271-7258 INTERCHANGEABLE
Terminal,lug
1680-00-803-431318511500 INTERCHANGEABLE
Control Assembly,push-Pull
Orscheln Products Llc
Cross-Reference Index
Part NumberManufacturer
6801-20 Tompkins Industries Inc (USA)
403731 PRIMARY Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA)
Related Parts
5940-00-271-7258INTERCHANGEABLE
TERMINAL,LUG
1680-00-803-4313INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
18511500

Frequently Asked Questions

What is NSN 4730-01-538-3973?

NSN 4730-01-538-3973 is a Elbow,tube to 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 4730-01-538-3973?

NSN 4730-01-538-3973 has 2 cross-referenced part numbers: 6801-20 (Tompkins Industries Inc), 403731 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).

What NSN replaces 4730-01-538-3973?

There are 2 known substitutes for 4730-01-538-3973: 5940-00-271-7258, 1680-00-803-4313. Verify interchangeability with system specifications before substitution.

What are the specifications of 403731?

Key specifications for 403731: Special Features: MATERIAL: STEEL PLATED; END ITEM IS AN ENGINEERING MISSION MODULE (EMM) USED FOR THE PALLETIZED LOADING SYSTEM (PLS); Material: STEEL OVERALL; End Item Identification: 3990-01-443-8024; DUMP BODY,DEMOU,XM6; Part Name Assigned by Controlling Agency: ADAPTER 1 5/8 ORBM X 1 5/8 JICM 90 DEG. 4 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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