PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

106411Shs-Primer Bulb Ass

Hdt Expeditionary Systems Inc · NSN 4520-01-491-7279 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-491-7279 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-491-7279. Primary manufacturer part number: 106411.
Features
  • Shs-Primer Bulb Ass — FSC 4520
  • General Characteristics Item Description: SPECIAL PROJECT SPACE HEATER SMALL
  • 3 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Shs-Primer Bulb Ass, cataloged under National Stock Number 4520-01-491-7279, 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 3 commercial cross-references from 3 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
NSN4520-01-491-7279
Primary Part Number106411
Item NameShs-Primer Bulb Ass
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
5310-00-095-4226106411 INTERCHANGEABLE
Nut,plain,hexagon
Naval Inventory Control Point Mechanicsburg
5330-00-978-2231106-41-1 INTERCHANGEABLE
Seal,rubber,special
Kirkhill, Inc. Dba Ta Aerospace Co Div Kirkhill Inc, Sfs Division
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
4520-01-491-7281106524 INTERCHANGEABLE
Shs-Port Cap Assy
Hdt Expeditionary Systems Inc
4520-01-491-7283106470 INTERCHANGEABLE
Shs-Replace Fuel Ca
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-SHS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
106411 PRIMARY Hdt Expeditionary Systems Inc (USA)
PN106411 International Thermal Research Ltd Dba Itr (CAN)
Related Parts
5310-00-095-4226INTERCHANGEABLE
NUT,PLAIN,HEXAGON
106411
5330-00-978-2231INTERCHANGEABLE
SEAL,RUBBER,SPECIAL
106-41-1
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
4520-01-491-7281INTERCHANGEABLE
SHS-PORT CAP ASSY
106524
4520-01-491-7283INTERCHANGEABLE
SHS-REPLACE FUEL CA
106470
4520-01-491-7560INTERCHANGEABLE
SHS-CANISTER LID AS
106443
4520-01-491-7561INTERCHANGEABLE
SHS-HEAT SHIELD REP
106528

Frequently Asked Questions

What is NSN 4520-01-491-7279?

NSN 4520-01-491-7279 is a Shs-Primer Bulb Ass, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-491-7279?

NSN 4520-01-491-7279 has 3 cross-referenced part numbers: MIL-PRF-SHS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 106411 (Hdt Expeditionary Systems Inc), PN106411 (International Thermal Research Ltd Dba Itr).

What NSN replaces 4520-01-491-7279?

There are 12 known substitutes for 4520-01-491-7279: 5310-00-095-4226, 5330-00-978-2231, 4820-01-491-7258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 106411?

Key specifications for 106411: 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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