PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83556Adapter,straight,pipe to Hose

Hdt Expeditionary Systems Inc · NSN 4730-01-320-8700 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-320-8700 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-320-8700. Primary manufacturer part number: 83556.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-320-8700, 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 Hdt Expeditionary Systems Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-320-8700
Primary Part Number83556
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-01-224-682283556 INTERCHANGEABLE
Ring,retaining
Eaton Aerospace, Llc Dba Jackson South
5120-01-406-7726 INTERCHANGEABLE
Screwdriver,flat Tip
6145-01-480-274483556 INTERCHANGEABLE
Cable,special Purpose,electrical
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
83556 Drs Environmental Systems Inc (USA)
83556 Davey Compressor Co Div of Keco Industries Inc (USA)
83556 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5325-01-224-6822INTERCHANGEABLE
RING,RETAINING
83556
5120-01-406-7726INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
6145-01-480-2744INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
83556

Frequently Asked Questions

What is NSN 4730-01-320-8700?

NSN 4730-01-320-8700 is a Adapter,straight,pipe to Hose, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-320-8700?

NSN 4730-01-320-8700 has 3 cross-referenced part numbers: 83556 (Drs Environmental Systems Inc), 83556 (Davey Compressor Co Div of Keco Industries Inc), 83556 (Hdt Expeditionary Systems Inc).

What NSN replaces 4730-01-320-8700?

There are 3 known substitutes for 4730-01-320-8700: 5325-01-224-6822, 5120-01-406-7726, 6145-01-480-2744. Verify interchangeability with system specifications before substitution.

What are the specifications of 83556?

Key specifications for 83556: Special Features: DAVEY COMPRESSOR DIVING UNIT MODEL DNCAA. 1 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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