PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK250-18Ring,retaining

Clark Equipment Co · NSN 5325-00-164-2004 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-164-2004 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-164-2004. Primary manufacturer part number: SK250-18.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 1.266 INCHES NOMINAL IN
  • Material: STEEL COMP 1065
  • Material Document and Classification: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
  • Cross-Sectional Shape Style: ROUNDED CORNERS
  • Outside Diameter: 1.516 INCHES NOMINAL IN
  • Usage Design: INTERNAL
  • Major Thickness: 0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1065 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-164-2004, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Clark Equipment Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-00-164-2004
Primary Part NumberSK250-18
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerClark Equipment Co
StatusACTIVE
Inside Diameter1.266 INCHES NOMINAL IN
MaterialSTEEL COMP 1065
Material Document and ClassificationSAE 1065 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape StyleROUNDED CORNERS
Outside Diameter1.516 INCHES NOMINAL IN
Usage DesignINTERNAL
Major Thickness0.092 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Material Hardness Rating43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Ring StyleANGULAR CAP
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5970-00-157-0730 INTERCHANGEABLE
Insulator,bowl
6810-00-233-0110 INTERCHANGEABLE
Sodium Thiosulfate,pentahydrate
6810-00-234-8380 INTERCHANGEABLE
Sodium Thiosulfate,pentahydrate
5930-00-265-9510K-860379PT1 INTERCHANGEABLE
Switch,push
L3 Technologies, Inc. Div Communication Systems-East
4820-00-273-9735394-6 INTERCHANGEABLE
Valve,foot
Crane Co Div Valve Div
4910-00-599-9448I-410-L INTERCHANGEABLE
Inflator Attachment
Haltec Corp
6505-00-765-082301-4842 INTERCHANGEABLE
Hydroxyzine Pamoate Capsules
Goldline Laboratories, Inc. Dba Goldline Laboratories
4730-01-124-00903946 INTERCHANGEABLE
Insert,hose Fitting
Ingersoll-Rand Company Dba Ingersoll-Rand
5305-01-190-749127695 INTERCHANGEABLE
Screw,cap,socket Head
Moog Inc. Dba Ampac-Isp Corp
5950-01-222-8629 INTERCHANGEABLE
Coil,electrical
Cross-Reference Index
Part NumberManufacturer
SK250-18 Clark Equipment Co (USA)
SK250-18 Dana Off Highway Products, Llc (USA)
3946 Dana Off Highway Products, Llc (USA)
3946 Clark Equipment Co (USA)
Related Parts
5970-00-157-0730INTERCHANGEABLE
INSULATOR,BOWL
6810-00-233-0110INTERCHANGEABLE
SODIUM THIOSULFATE,PENTAHYDRATE
6810-00-234-8380INTERCHANGEABLE
SODIUM THIOSULFATE,PENTAHYDRATE
5930-00-265-9510INTERCHANGEABLE
SWITCH,PUSH
K-860379PT1
4820-00-273-9735INTERCHANGEABLE
VALVE,FOOT
394-6
4910-00-599-9448INTERCHANGEABLE
INFLATOR ATTACHMENT
I-410-L
6505-00-765-0823INTERCHANGEABLE
HYDROXYZINE PAMOATE CAPSULES
01-4842
4730-01-124-0090INTERCHANGEABLE
INSERT,HOSE FITTING
3946
5305-01-190-7491INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
27695
5950-01-222-8629INTERCHANGEABLE
COIL,ELECTRICAL
5330-01-275-0517INTERCHANGEABLE
SEAL,PLAIN ENCASED
3946

Frequently Asked Questions

What is NSN 5325-00-164-2004?

NSN 5325-00-164-2004 is a Ring,retaining, manufactured by Clark Equipment Co, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-164-2004?

NSN 5325-00-164-2004 has 4 cross-referenced part numbers: SK250-18 (Clark Equipment Co), SK250-18 (Dana Off Highway Products, Llc), 3946 (Dana Off Highway Products, Llc), 3946 (Clark Equipment Co).

What NSN replaces 5325-00-164-2004?

There are 11 known substitutes for 5325-00-164-2004: 5970-00-157-0730, 6810-00-233-0110, 6810-00-234-8380 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK250-18?

Key specifications for SK250-18: Inside Diameter: 1.266 INCHES NOMINAL IN; Material: STEEL COMP 1065; Material Document and Classification: SAE 1065 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUNDED CORNERS. 10 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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