PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820590Pack System Base

Granite Gear Inc. · NSN 6515-01-603-8555 · FSC 6515 · No Item Name Available
Verified by PartsTable
NSN 6515-01-603-8555 — this item is cataloged by the U.S. Government under National Stock Number 6515-01-603-8555. Primary manufacturer part number: 820590.
Features
  • Pack System Base — FSC 6515
  • Color: COYOTE BROWN
  • 4 verified cross-references
  • Primary manufacturer: Granite Gear Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pack System Base, cataloged under National Stock Number 6515-01-603-8555, is classified within Federal Supply Class 6515 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Granite Gear Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6515-01-603-8555
Primary Part Number820590
Item NamePack System Base
FSC / FSG6515 / 65 — No Item Name Available
ManufacturerGranite Gear Inc.
StatusACTIVE
ColorCOYOTE BROWN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5910-00-329-5938917-0005-010 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6635-00-805-612594176 INTERCHANGEABLE
Tester,material Hardness
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Instron, a Division of Illinois Tool Works, Inc.
5910-01-006-6992 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
4320-01-070-4295 INTERCHANGEABLE
Pump,reciprocating
3120-01-443-1834941-00 INTERCHANGEABLE
Bushing,sleeve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4730-01-566-6377820590 INTERCHANGEABLE
Fitting,pipe
Firetrace Aerospace Llc
2090-01-640-815194-100 INTERCHANGEABLE
Isolator Vibration
Hii Unmanned Systems, Inc
4930-01-644-131794100 INTERCHANGEABLE
Reel Assembly,hose
Lincoln Industrial Corporation Div Lincoln Industrial Corporation
Cross-Reference Index
Part NumberManufacturer
820590 PRIMARY Granite Gear Inc. (USA)
94100 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
6515NCM127590 Defense Medical Standardization Board (USA)
TICS.13.10172 PRIMARY Tribalco Llc (USA)
Related Parts
5910-00-329-5938INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
917-0005-010
6635-00-805-6125INTERCHANGEABLE
TESTER,MATERIAL HARDNESS
94176
5910-01-006-6992INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
4320-01-070-4295INTERCHANGEABLE
PUMP,RECIPROCATING
3120-01-443-1834INTERCHANGEABLE
BUSHING,SLEEVE
941-00
4730-01-566-6377INTERCHANGEABLE
FITTING,PIPE
820590
2090-01-640-8151INTERCHANGEABLE
ISOLATOR VIBRATION
94-100
4930-01-644-1317INTERCHANGEABLE
REEL ASSEMBLY,HOSE
94100

Frequently Asked Questions

What is NSN 6515-01-603-8555?

NSN 6515-01-603-8555 is a Pack System Base, manufactured by Granite Gear Inc., classified under FSC 6515 (No Item Name Available). Status: active.

What are the part numbers for NSN 6515-01-603-8555?

NSN 6515-01-603-8555 has 4 cross-referenced part numbers: 820590 (Granite Gear Inc.), 94100 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 6515NCM127590 (Defense Medical Standardization Board), TICS.13.10172 (Tribalco Llc).

What NSN replaces 6515-01-603-8555?

There are 8 known substitutes for 6515-01-603-8555: 5910-00-329-5938, 6635-00-805-6125, 5910-01-006-6992 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820590?

Key specifications for 820590: Part Name Assigned by Controlling Agency: PACK SYSTEM BASE COYOTE; Color: COYOTE BROWN; Special Features: PACK SYSTEM BASE; MAN-PACKABLE MOUNTED/DISMOUNTED PACK SYSTEM; COYOTE PATTERN. 3 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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