PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-1-1156Insignia,shoulder Sleeve

Army Institute of Heraldry This Is an Original Design Activity Not a Mfr · NSN 8455-01-721-4320 · FSC 8455 · No Item Name Available
Verified by PartsTable
NSN 8455-01-721-4320 — this item is cataloged by the U.S. Government under National Stock Number 8455-01-721-4320. Primary manufacturer part number: A-1-1156.
Features
  • Insignia,shoulder Sleeve — FSC 8455
  • Department Designation: US ARMY
  • Attachment Method: FASTENER HOOK BACKING
  • Features Provided: EMBROIDERED
  • Design Designation: 68TH MEDICAL COMMAND
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 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 8455-01-721-4320, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8455-01-721-4320
Primary Part NumberA-1-1156
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 MethodFASTENER HOOK BACKING
Features ProvidedEMBROIDERED
Design Designation68TH MEDICAL COMMAND
Nondefinitive Spec/std Data1 TYPE AND 1 STYLE AND 2 CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4920-00-976-9567 INTERCHANGEABLE
Driver,module
4730-01-138-5935A11156 INTERCHANGEABLE
Bushing,pipe
Mirion Technologies (canberra), Inc.
8455-01-721-4314 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-721-4323 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A-1-1156 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
4920-00-976-9567INTERCHANGEABLE
DRIVER,MODULE
4730-01-138-5935INTERCHANGEABLE
BUSHING,PIPE
A11156
8455-01-721-4314INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-721-4323INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 8455-01-721-4320?

NSN 8455-01-721-4320 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 8455-01-721-4320?

NSN 8455-01-721-4320 has 2 cross-referenced part numbers: A-1-1156 (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 8455-01-721-4320?

There are 4 known substitutes for 8455-01-721-4320: 4920-00-976-9567, 4730-01-138-5935, 8455-01-721-4314 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-1-1156?

Key specifications for A-1-1156: Department Designation: US ARMY; Attachment Method: FASTENER HOOK BACKING; Special Features: FULL COLOR, WITH WHITE 67101, MAROON 67114, SILVER GRAY 67137, AND ORIENTAL BLUE 67172; 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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