PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

A21701Spacer,ring

Barksdale, Inc · NSN 5365-01-094-1988 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-094-1988 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-094-1988. Primary manufacturer part number: A21701.
Features
  • Spacer,ring — FSC 5365
  • Inside Diameter: 1.055 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
  • Overall Thickness: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Material: STEEL COMP 304
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Barksdale, Inc
Applications
  • Applications requiring Steel Comp 304 construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-094-1988, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Barksdale, Inc. Government technical data includes 4 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-094-1988
Primary Part NumberA21701
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerBarksdale, Inc
StatusACTIVE
Inside Diameter1.055 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
Overall Thickness0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
MaterialSTEEL COMP 304
Outside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-019-0477 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
A21701 PRIMARY Barksdale, Inc (USA)
Related Parts
4820-00-019-0477INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 5365-01-094-1988?

NSN 5365-01-094-1988 is a Spacer,ring, manufactured by Barksdale, Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-094-1988?

NSN 5365-01-094-1988 has 1 cross-referenced part number: A21701 (Barksdale, Inc).

What NSN replaces 5365-01-094-1988?

There is 1 known substitute for 5365-01-094-1988: 4820-00-019-0477. Verify interchangeability with system specifications before substitution.

What are the specifications of A21701?

Key specifications for A21701: Inside Diameter: 1.055 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN; Overall Thickness: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Material: STEEL COMP 304; Outside Diameter: 1.250 INCHES NOMINAL IN. 4 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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