PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23DRetainer,electron Tube

Staver Mfg Co Inc · NSN 5960-00-256-0587 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-256-0587 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-256-0587. Primary manufacturer part number: 23D.
Features
  • Retainer,electron Tube — FSC 5960
  • Overall Diameter: 0.453 INCHES NOMINAL IN
  • Material: STEEL
  • Eia Electron Tube Envelope Accommodated: T5 1-2
  • Style Designator: HELIX SPRING HOLD DOWN WITH HOOK
  • Accommodated Item Securing Device Type: SPRING CLIP
  • Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel construction
General Description

The Retainer,electron Tube, cataloged under National Stock Number 5960-00-256-0587, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Staver Mfg Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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: Cancelled.

Technical Specifications
ParameterValue
NSN5960-00-256-0587
Primary Part Number23D
Item NameRetainer,electron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerStaver Mfg Co Inc
StatusCANCELLED
Overall Diameter0.453 INCHES NOMINAL IN
MaterialSTEEL
Eia Electron Tube Envelope AccommodatedT5 1-2
Style DesignatorHELIX SPRING HOLD DOWN WITH HOOK
Accommodated Item Securing Device TypeSPRING CLIP
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Distance From Retainer Center to Centerline of Mounting Facility0.203 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-199-590026810 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
6620-00-238-997223D INTERCHANGEABLE
Gage,pressure,dial Indicating
Zeks Air Drier Corp Sub of Kemp Co
6685-00-286-805612275 INTERCHANGEABLE
Gage,pressure,dial Indicating
Clayton Manufacturing Company
6685-00-557-5222G10141 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-580-0727 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-580-3489J6346 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-622-4305 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-800-2149J2954 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-812-9035 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-836-040125A00-0903REVA INTERCHANGEABLE
Gage,pressure,dial Indicating
Limco Airepair Inc.
Cross-Reference Index
Part NumberManufacturer
23D Staver Mfg Co Inc (USA)
23D3 Staver Mfg Co Inc (USA)
Related Parts
5330-00-199-5900INTERCHANGEABLE
GASKET
26810
6620-00-238-9972INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
23D
6685-00-286-8056INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
12275
6685-00-557-5222INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G10141
6685-00-580-0727INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-3489INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J6346
6685-00-622-4305INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-800-2149INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J2954
6685-00-812-9035INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-836-0401INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
25A00-0903REVA
6685-00-864-7057INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
138054-A
6685-00-878-7161INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164451

Frequently Asked Questions

What is NSN 5960-00-256-0587?

NSN 5960-00-256-0587 is a Retainer,electron Tube, manufactured by Staver Mfg Co Inc, classified under FSC 5960 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5960-00-256-0587?

NSN 5960-00-256-0587 has 2 cross-referenced part numbers: 23D (Staver Mfg Co Inc), 23D3 (Staver Mfg Co Inc).

What NSN replaces 5960-00-256-0587?

There are 12 known substitutes for 5960-00-256-0587: 5330-00-199-5900, 6620-00-238-9972, 6685-00-286-8056 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23D?

Key specifications for 23D: Overall Diameter: 0.453 INCHES NOMINAL IN; Overall Height: 1.516 INCHES NOMINAL IN; Material: STEEL; Eia Electron Tube Envelope Accommodated: T5 1-2. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5960-00-256-0587 still in active supply?

NSN 5960-00-256-0587 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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