PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2261Accessory Kit,test Set

Bae Systems Information and Electronic Systems Integration Inc. · NSN 4920-00-257-5095 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-257-5095 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-257-5095. Primary manufacturer part number: 2261.
Features
  • Accessory Kit,test Set — FSC 4920
  • Supplementary Features: COMPANY ITEM NAME-ACCESSORY KIT, TEST
  • 1 verified cross-reference
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Accessory Kit,test Set, cataloged under National Stock Number 4920-00-257-5095, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4920-00-257-5095
Primary Part Number2261
Item NameAccessory Kit,test Set
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Supplementary FeaturesCOMPANY ITEM NAME-ACCESSORY KIT, TEST
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-069-90492261 INTERCHANGEABLE
Seat,valve
Imi Cash Valve Inc
6685-00-174-62392261-08000QF INTERCHANGEABLE
Thermometer,self-Indicating,bime
Control Specialties Inc
9390-00-290-4021 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
6685-00-521-0656PH660U INTERCHANGEABLE
Thermometer,self-Indicating,bime
Joint Electronics Type Designation System
6685-00-663-80936-01276 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Sigma Products & Mfg
4920-00-708-30242261 INTERCHANGEABLE
Cable Assy
Marvel Manufacturing Co Div the Marvel Manufacturing Company
6685-00-764-4248 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5985-00-975-4038RLA150-NF INTERCHANGEABLE
Adapter,waveguide
Andrew Llc
6685-00-979-8961 INTERCHANGEABLE
Thermometer,self-Indicating,bime
5331-00-999-85652-261S604-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
2261 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
4820-00-069-9049INTERCHANGEABLE
SEAT,VALVE
2261
6685-00-174-6239INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
2261-08000QF
9390-00-290-4021INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
6685-00-521-0656INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
PH660U
6685-00-663-8093INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
6-01276
4920-00-708-3024INTERCHANGEABLE
CABLE ASSY
2261
6685-00-764-4248INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5985-00-975-4038INTERCHANGEABLE
ADAPTER,WAVEGUIDE
RLA150-NF
6685-00-979-8961INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
5331-00-999-8565INTERCHANGEABLE
O-RING
2-261S604-70
5331-01-106-7286INTERCHANGEABLE
O-RING
MS28775-261
5950-01-233-2498INTERCHANGEABLE
TRANSFORMER,CURRENT
2261

Frequently Asked Questions

What is NSN 4920-00-257-5095?

NSN 4920-00-257-5095 is a Accessory Kit,test Set, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-257-5095?

NSN 4920-00-257-5095 has 1 cross-referenced part number: 2261 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 4920-00-257-5095?

There are 12 known substitutes for 4920-00-257-5095: 4820-00-069-9049, 6685-00-174-6239, 9390-00-290-4021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2261?

Key specifications for 2261: Supplementary Features: COMPANY ITEM NAME-ACCESSORY KIT, TEST. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com