PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21738Ring,retaining

Hyster-Yale Group, Inc. · NSN 5325-00-174-9855 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-174-9855 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-174-9855. Primary manufacturer part number: 21738.
Features
  • Ring,retaining — FSC 5325
  • Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
  • Cross-Sectional Shape Style: ROUND
  • Material: STEEL
  • Material Document and Classification: SAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
  • Usage Design: EXTERNAL
  • End Style: 90 DEGREE PARALLEL
  • Ring Style: STRAIGHT GAP
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-174-9855, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hyster-Yale Group, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, 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
NSN5325-00-174-9855
Primary Part Number21738
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHyster-Yale Group, Inc.
StatusCANCELLED
Material Hardness Rating42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape StyleROUND
MaterialSTEEL
Material Document and ClassificationSAE 1065 TO 1070 ASSN STD SINGLE MATERIAL RESPONSE
Usage DesignEXTERNAL
End Style90 DEGREE PARALLEL
Ring StyleSTRAIGHT GAP
Inside Diameter1.313 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Outside Diameter1.552 INCHES NOMINAL IN
Material Diameter0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5995-00-005-7848SX334 INTERCHANGEABLE
Cord Assembly,electrical
David Clark Co Inc Div David Clark Company, Inc.
5895-00-051-475821738 INTERCHANGEABLE
Duplexer
L3 Technologies, Inc. Div Communication Systems-East
5930-00-091-9254203974-1 INTERCHANGEABLE
Switch,thermostatic
Honeywell International Inc. Div Aerospace - Torrance
4320-00-116-3636Y501830208 INTERCHANGEABLE
Governor,pump,pressure Regulatin
Leslie Controls, Inc. Dba Leslie Controls Inc
5325-00-145-02445346739 INTERCHANGEABLE
Ring,retaining
U S Army Tank Automotive Command Amsta-Im-Mm
3040-00-163-108099121738 INTERCHANGEABLE
Lever,manual Control
Alfa Laval Inc
4730-00-201-959121738-3 INTERCHANGEABLE
Tee,boss
Rockwell Collins Inc
4330-00-212-722531A8188 INTERCHANGEABLE
Cleaner Element
Magnetic Technologies Corp Div Ogallala Electronics Division
8345-00-233-1779 INTERCHANGEABLE
Flag,national
5315-00-246-90156337 INTERCHANGEABLE
Pin,straight,headless
Hyster-Yale Group, Inc.
Cross-Reference Index
Part NumberManufacturer
21738 PRIMARY Hyster-Yale Group, Inc. (USA)
1DK31 Diamond Reo Truck Co (USA)
N24339R Diamond Reo Truck Co (USA)
6337 PRIMARY Mitsubishi Caterpillar Forklift America, Inc (USA)
564K18 PRIMARY Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
10SA0227 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
400005 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
V3341X White Motor Corp (USA)
L1037 Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (USA)
SX334 Seagrave Corp the (USA)
62638V Navistar International Corporation Dba Navistar (USA)
JT9133 White Farm Equipment Co Sub of Tic Investment Inc (USA)
41977 Colson Corp the (USA)
Related Parts
5995-00-005-7848INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
SX334
5895-00-051-4758INTERCHANGEABLE
DUPLEXER
21738
5930-00-091-9254INTERCHANGEABLE
SWITCH,THERMOSTATIC
203974-1
4320-00-116-3636INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
Y501830208
5325-00-145-0244INTERCHANGEABLE
RING,RETAINING
5346739
3040-00-163-1080INTERCHANGEABLE
LEVER,MANUAL CONTROL
99121738
4730-00-201-9591INTERCHANGEABLE
TEE,BOSS
21738-3
4330-00-212-7225INTERCHANGEABLE
CLEANER ELEMENT
31A8188
8345-00-233-1779INTERCHANGEABLE
FLAG,NATIONAL
5315-00-246-9015INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6337
8345-00-247-0370INTERCHANGEABLE
FLAG,NATIONAL
8345-00-261-2942INTERCHANGEABLE
FLAG,NATIONAL

Frequently Asked Questions

What is NSN 5325-00-174-9855?

NSN 5325-00-174-9855 is a Ring,retaining, manufactured by Hyster-Yale Group, Inc., classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-174-9855?

NSN 5325-00-174-9855 has 13 cross-referenced part numbers: 21738 (Hyster-Yale Group, Inc.), 1DK31 (Diamond Reo Truck Co), N24339R (Diamond Reo Truck Co), 6337 (Mitsubishi Caterpillar Forklift America, Inc), 564K18 (Hyster-Yale Group, Inc. Dba Yale Materials Handling) and 8 more.

What NSN replaces 5325-00-174-9855?

There are 12 known substitutes for 5325-00-174-9855: 5995-00-005-7848, 5895-00-051-4758, 5930-00-091-9254 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21738?

Key specifications for 21738: Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: ROUND; Special Features: 3/32 IN. GAP OPENING IN; Material: STEEL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-174-9855 still in active supply?

NSN 5325-00-174-9855 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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