PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK1218-2Washer,lock

The Oilgear Company Dba Jiffy Lube 213 Div Oilgear · NSN 5310-00-737-5677 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-737-5677 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-737-5677. Primary manufacturer part number: SK1218-2.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT INTERNAL TEETH
  • Hole Diameter: 0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.022 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-737-5677, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Oilgear Company Dba Jiffy Lube 213 Div Oilgear. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-00-737-5677
Primary Part NumberSK1218-2
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Oilgear Company Dba Jiffy Lube 213 Div Oilgear
StatusACTIVE
Style DesignatorFLAT INTERNAL TEETH
Hole Diameter0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Material Thickness0.022 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-263-4983169X6 INTERCHANGEABLE
Elbow,pipe to Tube
Danfoss Power Solutions II, Llc
5310-00-343-3976A3958 INTERCHANGEABLE
Washer,flat
Grimes Aerospace Company
5360-00-353-3019FC6785 INTERCHANGEABLE
Spring,helical,extension
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
6685-00-816-44906901-723 INTERCHANGEABLE
Gage,pressure,dial Indicating
Meggitt Safety Systems Inc
6625-01-092-1198260-8 INTERCHANGEABLE
Multimeter
Simpson Electric Company, Inc.
2540-01-179-996412182 INTERCHANGEABLE
Mirror Assembly,rearview
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5963-01-231-84525829110 INTERCHANGEABLE
Electronic Module,standardized
Naval Sea Systems Command
5935-01-300-7809121-8-2 INTERCHANGEABLE
Shell,electrical Connector
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5340-01-559-5881 INTERCHANGEABLE
Plate,mounting
4730-01-668-062612182-503 INTERCHANGEABLE
Shaft Hanger Assembly
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
1218-2 Itw Shakeproof Automotive Products (USA)
SK1218-2 PRIMARY The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA)
7375677 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
4730-00-263-4983INTERCHANGEABLE
ELBOW,PIPE TO TUBE
169X6
5310-00-343-3976INTERCHANGEABLE
WASHER,FLAT
A3958
5360-00-353-3019INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
FC6785
6685-00-816-4490INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6901-723
6625-01-092-1198INTERCHANGEABLE
MULTIMETER
260-8
2540-01-179-9964INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
12182
5963-01-231-8452INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
5829110
5935-01-300-7809INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
121-8-2
5340-01-559-5881INTERCHANGEABLE
PLATE,MOUNTING
4730-01-668-0626INTERCHANGEABLE
SHAFT HANGER ASSEMBLY
12182-503
4730-01-668-1358INTERCHANGEABLE
SHAFT HANGER ASSEMBLY
12182-510

Frequently Asked Questions

What is NSN 5310-00-737-5677?

NSN 5310-00-737-5677 is a Washer,lock, manufactured by The Oilgear Company Dba Jiffy Lube 213 Div Oilgear, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-737-5677?

NSN 5310-00-737-5677 has 3 cross-referenced part numbers: 1218-2 (Itw Shakeproof Automotive Products), SK1218-2 (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), 7375677 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-737-5677?

There are 11 known substitutes for 5310-00-737-5677: 4730-00-263-4983, 5310-00-343-3976, 5360-00-353-3019 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK1218-2?

Key specifications for SK1218-2: Style Designator: FLAT INTERNAL TEETH; Hole Diameter: 0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OVERALL; Material Thickness: 0.022 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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