PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37-816-05Insoles,footwear

Implus Footcare, Llc Dba Airplus · NSN 8335-01-528-7973 · FSC 8335 · No Item Name Available
Verified by PartsTable
NSN 8335-01-528-7973 — this item is cataloged by the U.S. Government under National Stock Number 8335-01-528-7973. Primary manufacturer part number: 37-816-05.
Features
  • Insoles,footwear — FSC 8335
  • Footwear for Which Designed: BOOT, COMBAT
  • Footwear Size: 12 TO 13
  • 5 verified cross-references
  • Primary manufacturer: Implus Footcare, Llc Dba Airplus
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insoles,footwear, cataloged under National Stock Number 8335-01-528-7973, is classified within Federal Supply Class 8335 (No Item Name Available) of the Textiles, Leather, Furs, Apparel, Shoes, Tents group. The primary manufacturer of record is Implus Footcare, Llc Dba Airplus. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN8335-01-528-7973
Primary Part Number37-816-05
Item NameInsoles,footwear
FSC / FSG8335 / 83 — No Item Name Available
ManufacturerImplus Footcare, Llc Dba Airplus
StatusACTIVE
Footwear for Which DesignedBOOT, COMBAT
Footwear Size12 TO 13
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5315-00-355-00300050326 INTERCHANGEABLE
Pin
New Holland Construction
4820-01-213-4294660S-U-E INTERCHANGEABLE
Valve,globe
Pacific Valve Corp
4940-01-337-2910050 326 INTERCHANGEABLE
Nozzle,cross Cut
Nordson Corp Div Nordson
Cross-Reference Index
Part NumberManufacturer
39-289-05 Spenco Medical Corporation (USA)
37-816-05 Spenco Medical Corporation (USA)
05-0326 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
37-816-05 PRIMARY Implus Footcare, Llc Dba Airplus (USA)
6515NCM050507 Defense Medical Standardization Board (USA)
Related Parts
5315-00-355-0030INTERCHANGEABLE
PIN
0050326
4820-01-213-4294INTERCHANGEABLE
VALVE,GLOBE
660S-U-E
4940-01-337-2910INTERCHANGEABLE
NOZZLE,CROSS CUT
050 326

Frequently Asked Questions

What is NSN 8335-01-528-7973?

NSN 8335-01-528-7973 is a Insoles,footwear, manufactured by Implus Footcare, Llc Dba Airplus, classified under FSC 8335 (No Item Name Available). Status: active.

What are the part numbers for NSN 8335-01-528-7973?

NSN 8335-01-528-7973 has 5 cross-referenced part numbers: 39-289-05 (Spenco Medical Corporation), 37-816-05 (Spenco Medical Corporation), 05-0326 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 37-816-05 (Implus Footcare, Llc Dba Airplus), 6515NCM050507 (Defense Medical Standardization Board).

What NSN replaces 8335-01-528-7973?

There are 3 known substitutes for 8335-01-528-7973: 5315-00-355-0030, 4820-01-213-4294, 4940-01-337-2910. Verify interchangeability with system specifications before substitution.

What are the specifications of 37-816-05?

Key specifications for 37-816-05: Footwear for Which Designed: BOOT, COMBAT; Part Name Assigned by Controlling Agency: INSOLES FOOTWEAR COMBAT BOOT SPENCO MENS 12-13; Special Features: COMBAT BOOT REPLACEMENT INSOLES WITH ARCH SUPPORT. SPENCO NO 5 FOR MENS SIZE 12-13. 4-WAY STRETCH NYLON TOP CLOTH, CLOSED-CELL NITROGEN-INJECTED SPENCO MATERIAL ABSORBS SHOCK AND IMPACT TO PROVIDE INTENSE COMFORT AND CUSHIONING, MOLDED POLYURETHANE BASE, NEOPRENE HEEL PLUG, DURABLE AND WASHABLE, 1 PAIR; Footwear Size: 12 TO 13. 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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