PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-1-777Insignia,shoulder Sleeve

Army Institute of Heraldry This Is an Original Design Activity Not a Mfr · NSN 8455-01-660-6646 · FSC 8455 · No Item Name Available
Verified by PartsTable
NSN 8455-01-660-6646 — this item is cataloged by the U.S. Government under National Stock Number 8455-01-660-6646. Primary manufacturer part number: A-1-777.
Features
  • Insignia,shoulder Sleeve — FSC 8455
  • Department Designation: US ARMY
  • Attachment Method: HOOK FASTENER TAPE
  • Features Provided: EMBROIDERED
  • Design Designation: 404TH MANEUVER ENHANCEMENT BRIGADE
  • Nondefinitive Spec/std Data: I TYPE AND I STYLE AND 2 CLASS
  • 2 verified cross-references
  • Primary manufacturer: Army Institute of Heraldry This Is an Original Design Activity Not a Mfr
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insignia,shoulder Sleeve, cataloged under National Stock Number 8455-01-660-6646, is classified within Federal Supply Class 8455 (No Item Name Available) of the Clothing, Individual Equipment, and Insignia group. The primary manufacturer of record is Army Institute of Heraldry This Is an Original Design Activity Not a Mfr. Government technical data includes 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8455-01-660-6646
Primary Part NumberA-1-777
Item NameInsignia,shoulder Sleeve
FSC / FSG8455 / 84 — No Item Name Available
ManufacturerArmy Institute of Heraldry This Is an Original Design Activity Not a Mfr
StatusACTIVE
Department DesignationUS ARMY
Attachment MethodHOOK FASTENER TAPE
Features ProvidedEMBROIDERED
Design Designation404TH MANEUVER ENHANCEMENT BRIGADE
Nondefinitive Spec/std DataI TYPE AND I STYLE AND 2 CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-434-3517A1777 INTERCHANGEABLE
Switch,rotary
Thermo Electric Company Inc. Dba Thermo Electric Company
3020-00-909-83201777 INTERCHANGEABLE
Gear Sector,bevel
Aerosonic Llc
5930-00-967-6600 INTERCHANGEABLE
Rotary Switch Secti
3120-01-067-3131D1119 PIECE 24 INTERCHANGEABLE
Bearing
Hunt Valve Company, Inc.
8455-01-336-6169 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-336-6170 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-8824 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-716-6189 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A-1-777 Army Institute of Heraldry This Is an Original Design Activity Not a Mfr (USA)
MIL-DTL-14652B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-434-3517INTERCHANGEABLE
SWITCH,ROTARY
A1777
3020-00-909-8320INTERCHANGEABLE
GEAR SECTOR,BEVEL
1777
5930-00-967-6600INTERCHANGEABLE
ROTARY SWITCH SECTI
3120-01-067-3131INTERCHANGEABLE
BEARING
D1119 PIECE 24
8455-01-336-6169INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-336-6170INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-8824INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-716-6189INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 8455-01-660-6646?

NSN 8455-01-660-6646 is a Insignia,shoulder Sleeve, manufactured by Army Institute of Heraldry This Is an Original Design Activity Not a Mfr, classified under FSC 8455 (No Item Name Available). Status: active.

What are the part numbers for NSN 8455-01-660-6646?

NSN 8455-01-660-6646 has 2 cross-referenced part numbers: A-1-777 (Army Institute of Heraldry This Is an Original Design Activity Not a Mfr), MIL-DTL-14652B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 8455-01-660-6646?

There are 8 known substitutes for 8455-01-660-6646: 5930-00-434-3517, 3020-00-909-8320, 5930-00-967-6600 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-1-777?

Key specifications for A-1-777: Department Designation: US ARMY; Special Features: OCP, WITH BAGBY GREEN 67204 AND BLACK 67138; Attachment Method: HOOK FASTENER TAPE; Features Provided: EMBROIDERED. 6 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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