PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-3-64Flag,national

Army Institute of Heraldry This Is an Original Design Activity Not a Mfr · NSN 8345-00-551-3578 · FSC 8345 · No Item Name Available
Verified by PartsTable
NSN 8345-00-551-3578 — this item is cataloged by the U.S. Government under National Stock Number 8345-00-551-3578. Primary manufacturer part number: 6-3-64.
Features
  • Flag,national — FSC 8345
  • Design Designation: JAPAN
  • Procurement Group Code: 31723
  • Cloth Name: BANNER
  • Fly: 4.167 FEET FT
  • Nondefinitive Spec/std Data: II TYPE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SIZE AND MATERIAL
  • Fiber Material: RAYON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flag,national, cataloged under National Stock Number 8345-00-551-3578, is classified within Federal Supply Class 8345 (No Item Name Available) of the Textiles, Leather, Furs, Apparel, Shoes, Tents group. The primary manufacturer of record is Army Institute of Heraldry This Is an Original Design Activity Not a Mfr. Government technical data includes 9 verified specifications, 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
NSN8345-00-551-3578
Primary Part Number6-3-64
Item NameFlag,national
FSC / FSG8345 / 83 — No Item Name Available
ManufacturerArmy Institute of Heraldry This Is an Original Design Activity Not a Mfr
StatusACTIVE
Design DesignationJAPAN
Procurement Group Code31723
Cloth NameBANNER
Fly4.167 FEET FT
Nondefinitive Spec/std DataII TYPE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SIZE AND MATERIAL
Fiber MaterialRAYON
Style DesignatorRECTANGULAR
Hoist2.833 FEET FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-139-29906364 INTERCHANGEABLE
Washer,lock
Lexmark International, Inc. Dba Lexmark
5307-00-149-4974636P4 INTERCHANGEABLE
Stud,plain
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-00-237-77256364 INTERCHANGEABLE
Gasket
893 Mfg, Llc
8345-00-275-7492 INTERCHANGEABLE
Flag,national
8345-00-286-5466 INTERCHANGEABLE
Flag,national
5940-00-450-6105636H120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
4820-00-618-2717 INTERCHANGEABLE
Disk,rupturable
8345-00-682-6804 INTERCHANGEABLE
Flag,national
8345-00-782-6730 INTERCHANGEABLE
Flag,national
5305-01-197-09706364 INTERCHANGEABLE
Screw,cap,socket Head
Long-Lok Llc
Cross-Reference Index
Part NumberManufacturer
6-3-64 Army Institute of Heraldry This Is an Original Design Activity Not a Mfr (USA)
MIL-F-2692 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-139-2990INTERCHANGEABLE
WASHER,LOCK
6364
5307-00-149-4974INTERCHANGEABLE
STUD,PLAIN
636P4
5330-00-237-7725INTERCHANGEABLE
GASKET
6364
8345-00-275-7492INTERCHANGEABLE
FLAG,NATIONAL
8345-00-286-5466INTERCHANGEABLE
FLAG,NATIONAL
5940-00-450-6105INTERCHANGEABLE
TERMINAL,LUG
636H120
4820-00-618-2717INTERCHANGEABLE
DISK,RUPTURABLE
8345-00-682-6804INTERCHANGEABLE
FLAG,NATIONAL
8345-00-782-6730INTERCHANGEABLE
FLAG,NATIONAL
5305-01-197-0970INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
6364
4730-01-200-8460INTERCHANGEABLE
CLAMP,HOSE
6364
2940-01-265-7212INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46364

Frequently Asked Questions

What is NSN 8345-00-551-3578?

NSN 8345-00-551-3578 is a Flag,national, manufactured by Army Institute of Heraldry This Is an Original Design Activity Not a Mfr, classified under FSC 8345 (No Item Name Available). Status: active.

What are the part numbers for NSN 8345-00-551-3578?

NSN 8345-00-551-3578 has 2 cross-referenced part numbers: 6-3-64 (Army Institute of Heraldry This Is an Original Design Activity Not a Mfr), MIL-F-2692 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 8345-00-551-3578?

There are 12 known substitutes for 8345-00-551-3578: 5310-00-139-2990, 5307-00-149-4974, 5330-00-237-7725 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6-3-64?

Key specifications for 6-3-64: Design Designation: JAPAN; Procurement Group Code: 31723; Cloth Name: BANNER; Fly: 4.167 FEET FT. 9 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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