PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E21329-00Ring,retaining

B/e Aerospace Systems Gmbh Div Life Support Systems Europe · NSN 5325-00-804-6855 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-804-6855 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-804-6855. Primary manufacturer part number: E21329-00.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: INTERNAL
  • Surface Treatment: PASSIVATE
  • Material Document and Classification: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 632
  • Material Hardness Rating: 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Usage Design: INTERNAL
  • Major Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 632 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-804-6855, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is B/e Aerospace Systems Gmbh Div Life Support Systems Europe. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-804-6855
Primary Part NumberE21329-00
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerB/e Aerospace Systems Gmbh Div Life Support Systems Europe
StatusCANCELLED
Ring StyleINTERNAL
Surface TreatmentPASSIVATE
Material Document and ClassificationAMS 5520 ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 632
Material Hardness Rating63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Usage DesignINTERNAL
Major Thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Outside Diameter0.405 INCHES MINIMUM AND 0.425 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-052-9876 INTERCHANGEABLE
Nut,tube Coupling
5950-00-235-8730SC-D-1736N INTERCHANGEABLE
Coil,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-373-0897 INTERCHANGEABLE
Ammeter
5950-00-937-9532SMD540714 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6150-00-953-8612C161-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
5325-01-145-9357281743-0001ITEM81 INTERCHANGEABLE
Ring,retaining
Marotta Controls Inc
5325-01-196-6634189894 INTERCHANGEABLE
Ring,retaining
Woodward, Inc. Div Fuel Systems and Controls
5340-01-231-7359C161 INTERCHANGEABLE
Retainer,helical Compression Spr
Andrea Systems Llc
5998-01-394-1339C161 INTERCHANGEABLE
Circuit Card Assembly
Custom Power, Ltd.
5325-01-518-2045 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
E21329-00 B/e Aerospace Systems Gmbh Div Life Support Systems Europe (DEU)
C161 Rfd Beaufort Limited (GBR)
MS16625-4037 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
N5000-X37-H Truarc Company Llc Dba Waldes Truarc (USA)
189894 Zf Industrieantriebe Witten Gmbh (DEU)
1541-1779 Rolls-Royce Controls and Data Services Limited (GBR)
N5000-X37-H Rotor Clip Company, Inc. (USA)
AFB000300-12 The Hymatic Engineering Company Limited T/a Honeywell Hymatic (GBR)
AYRF31 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16625-4037 Leonardo Spa Helicopters Division - Production Site (ITA)
N5000-37H Rotor Clip Company, Inc. (USA)
280977PC82 Marotta Controls Inc (USA)
1541-1779 Thales Uk Limited Dba Thales Uk Ltd Training and Simulation (GBR)
3000-X29-SS2 Truarc Co Llc (USA)
N5000-37H Truarc Company Llc Dba Waldes Truarc (USA)
284060-0002 ITEM 81 Marotta Controls Inc (USA)
N1300-37AS Seeger Inc Anderton-United Products Div (USA)
907571K35 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
H610160003 Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
4730-00-052-9876INTERCHANGEABLE
NUT,TUBE COUPLING
5950-00-235-8730INTERCHANGEABLE
COIL,TELEPHONE
SC-D-1736N
6625-00-373-0897INTERCHANGEABLE
AMMETER
5950-00-937-9532INTERCHANGEABLE
TRANSFORMER,POWER
SMD540714
6150-00-953-8612INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
C161-3
5325-01-145-9357INTERCHANGEABLE
RING,RETAINING
281743-0001ITEM81
5325-01-196-6634INTERCHANGEABLE
RING,RETAINING
189894
5340-01-231-7359INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
C161
5998-01-394-1339INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
C161
5325-01-518-2045INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-00-804-6855?

NSN 5325-00-804-6855 is a Ring,retaining, manufactured by B/e Aerospace Systems Gmbh Div Life Support Systems Europe, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-804-6855?

NSN 5325-00-804-6855 has 22 cross-referenced part numbers: E21329-00 (B/e Aerospace Systems Gmbh Div Life Support Systems Europe), C161 (Rfd Beaufort Limited), MS16625-4037 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), N5000-X37-H (Truarc Company Llc Dba Waldes Truarc), 189894 (Zf Industrieantriebe Witten Gmbh) and 17 more.

What NSN replaces 5325-00-804-6855?

There are 10 known substitutes for 5325-00-804-6855: 4730-00-052-9876, 5950-00-235-8730, 6625-00-373-0897 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E21329-00?

Key specifications for E21329-00: Ring Style: INTERNAL; Surface Treatment: PASSIVATE; Material Document and Classification: AMS 5520 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 632. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-804-6855 still in active supply?

NSN 5325-00-804-6855 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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