PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1001639Ventilator,air Circulating

Hdt Expeditionary Systems Inc · NSN 2540-01-533-0617 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-533-0617 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-533-0617. Primary manufacturer part number: 1001639.
Features
  • Ventilator,air Circulating — FSC 2540
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ventilator,air Circulating, cataloged under National Stock Number 2540-01-533-0617, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 3 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-01-533-0617
Primary Part Number1001639
Item NameVentilator,air Circulating
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
5310-01-513-76041001639 INTERCHANGEABLE
Nut Hex Lock
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
7530-01-653-14681001-639 INTERCHANGEABLE
Label
Scanlan International Inc
Cross-Reference Index
Part NumberManufacturer
2001232 REV T ITEM 54 Hdt Tactical Power, Inc. (USA)
1001639 PRIMARY Hdt Expeditionary Systems Inc (USA)
1001639 Hdt Tactical Power, Inc. (USA)
Related Parts
5310-01-513-7604INTERCHANGEABLE
NUT HEX LOCK
1001639
7530-01-653-1468INTERCHANGEABLE
LABEL
1001-639

Frequently Asked Questions

What is NSN 2540-01-533-0617?

NSN 2540-01-533-0617 is a Ventilator,air Circulating, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-533-0617?

NSN 2540-01-533-0617 has 3 cross-referenced part numbers: 2001232 REV T ITEM 54 (Hdt Tactical Power, Inc.), 1001639 (Hdt Expeditionary Systems Inc), 1001639 (Hdt Tactical Power, Inc.).

What NSN replaces 2540-01-533-0617?

There are 2 known substitutes for 2540-01-533-0617: 5310-01-513-7604, 7530-01-653-1468. Verify interchangeability with system specifications before substitution.

What are the specifications of 1001639?

Key specifications for 1001639: End Item Identification: PU-820/T,GENERATOR SET,DIESEL ENGINE.. 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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