PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106524Shs-Port Cap Assy

Hdt Expeditionary Systems Inc · NSN 4520-01-491-7281 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-491-7281 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-491-7281. Primary manufacturer part number: 106524.
Features
  • Shs-Port Cap Assy — FSC 4520
  • General Characteristics Item Description: SPECIAL PROJECT SPACE HEATER SMALL
  • 2 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 Shs-Port Cap Assy, cataloged under National Stock Number 4520-01-491-7281, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Hdt Expeditionary Systems 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-491-7281
Primary Part Number106524
Item NameShs-Port Cap Assy
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
General Characteristics Item DescriptionSPECIAL PROJECT SPACE HEATER SMALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5130-00-082-0679106524 INTERCHANGEABLE
Driver,fastener Sleeve
Huck International, Inc. Div Kingston Operations
5950-00-605-6309106524 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corp
6150-00-682-4865106524-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc.
4820-01-491-7258106464 INTERCHANGEABLE
Valve,float
Hdt Expeditionary Systems Inc
4520-01-491-7262106527 INTERCHANGEABLE
Shs-Ball Vlave Assy
Hdt Expeditionary Systems Inc
4520-01-491-7266106482 INTERCHANGEABLE
Shs-Female Connecto
Hdt Expeditionary Systems Inc
4520-01-491-7273106428 INTERCHANGEABLE
Shs-S-Tube Assy
Hdt Expeditionary Systems Inc
4520-01-491-7276106475 INTERCHANGEABLE
Shs-Overflow Hose
Hdt Expeditionary Systems Inc
4520-01-491-7277106476 INTERCHANGEABLE
Shs-Fuel Strainer
Hdt Expeditionary Systems Inc
4520-01-491-7279106411 INTERCHANGEABLE
Shs-Primer Bulb Ass
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
106524 PRIMARY Hdt Expeditionary Systems Inc (USA)
MIL-PRF-SHS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5130-00-082-0679INTERCHANGEABLE
DRIVER,FASTENER SLEEVE
106524
5950-00-605-6309INTERCHANGEABLE
TRANSFORMER,POWER
106524
6150-00-682-4865INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
106524-1
4820-01-491-7258INTERCHANGEABLE
VALVE,FLOAT
106464
4520-01-491-7262INTERCHANGEABLE
SHS-BALL VLAVE ASSY
106527
4520-01-491-7266INTERCHANGEABLE
SHS-FEMALE CONNECTO
106482
4520-01-491-7273INTERCHANGEABLE
SHS-S-TUBE ASSY
106428
4520-01-491-7276INTERCHANGEABLE
SHS-OVERFLOW HOSE
106475
4520-01-491-7277INTERCHANGEABLE
SHS-FUEL STRAINER
106476
4520-01-491-7279INTERCHANGEABLE
SHS-PRIMER BULB ASS
106411
4520-01-491-7283INTERCHANGEABLE
SHS-REPLACE FUEL CA
106470
4520-01-491-7560INTERCHANGEABLE
SHS-CANISTER LID AS
106443

Frequently Asked Questions

What is NSN 4520-01-491-7281?

NSN 4520-01-491-7281 is a Shs-Port Cap Assy, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-491-7281?

NSN 4520-01-491-7281 has 2 cross-referenced part numbers: 106524 (Hdt Expeditionary Systems Inc), MIL-PRF-SHS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4520-01-491-7281?

There are 12 known substitutes for 4520-01-491-7281: 5130-00-082-0679, 5950-00-605-6309, 6150-00-682-4865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 106524?

Key specifications for 106524: General Characteristics Item Description: SPECIAL PROJECT SPACE HEATER SMALL. 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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