PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

540-157Hinge Block,welding Shield,diver

Kirby Morgan Dive Systems Inc · NSN 4220-01-559-7658 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-559-7658 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-559-7658. Primary manufacturer part number: 540-157.
Features
  • Hinge Block,welding Shield,diver — FSC 4220
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Kirby Morgan Dive Systems Inc
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Hinge Block,welding Shield,diver, cataloged under National Stock Number 4220-01-559-7658, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Kirby Morgan Dive Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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.

Technical Specifications
ParameterValue
NSN4220-01-559-7658
Primary Part Number540-157
Item NameHinge Block,welding Shield,diver
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerKirby Morgan Dive Systems Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-886-9670 INTERCHANGEABLE
Coil,radio Frequency
2935-00-939-3306540157 INTERCHANGEABLE
Valve,oil Cooler Af
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
540-157 PRIMARY Kirby Morgan Dive Systems Inc (USA)
Related Parts
5950-00-886-9670INTERCHANGEABLE
COIL,RADIO FREQUENCY
2935-00-939-3306INTERCHANGEABLE
VALVE,OIL COOLER AF
540157

Frequently Asked Questions

What is NSN 4220-01-559-7658?

NSN 4220-01-559-7658 is a Hinge Block,welding Shield,diver, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-559-7658?

NSN 4220-01-559-7658 has 1 cross-referenced part number: 540-157 (Kirby Morgan Dive Systems Inc).

What NSN replaces 4220-01-559-7658?

There are 2 known substitutes for 4220-01-559-7658: 5950-00-886-9670, 2935-00-939-3306. Verify interchangeability with system specifications before substitution.

What are the specifications of 540-157?

Key specifications for 540-157: Part Name Assigned by Controlling Agency: REAR HINGE TAB; End Item Identification: SUPERLITE-17B; Material: STEEL CORROSION RESISTING; Special Features: CUT FROM SINGLE PIECE OF STAINLESS STEEL. REPLACES P/N 545-013. 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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