PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16989Washer,flat

Moog Inc · NSN 5310-00-774-7226 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-774-7226 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-774-7226. Primary manufacturer part number: 16989.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Center Hole Shape Style: ROUND
  • Thickness: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
  • Material: STEEL COMP 416 OVERALL
  • Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-774-7226, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-774-7226
Primary Part Number16989
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMoog Inc
StatusACTIVE
Peripheral Shape StyleROUND
Hardness Rating25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Center Hole Shape StyleROUND
Thickness0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
MaterialSTEEL COMP 416 OVERALL
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Overall Diameter0.390 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-313265C35476-1 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6515-01-588-060503.111.600 INTERCHANGEABLE
Guide Block,bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16989 Moog Inc (USA)
16989 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
16989 Mid-America Aerotech, Llc (USA)
16989 E-Systems Inc Montek Div Fluid Controls Opns (USA)
Related Parts
3110-00-100-3132INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
65C35476-1
6515-01-588-0605INTERCHANGEABLE
GUIDE BLOCK,BONE PLATE
03.111.600

Frequently Asked Questions

What is NSN 5310-00-774-7226?

NSN 5310-00-774-7226 is a Washer,flat, manufactured by Moog Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-774-7226?

NSN 5310-00-774-7226 has 4 cross-referenced part numbers: 16989 (Moog Inc), 16989 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 16989 (Mid-America Aerotech, Llc), 16989 (E-Systems Inc Montek Div Fluid Controls Opns).

What NSN replaces 5310-00-774-7226?

There are 2 known substitutes for 5310-00-774-7226: 3110-00-100-3132, 6515-01-588-0605. Verify interchangeability with system specifications before substitution.

What are the specifications of 16989?

Key specifications for 16989: Peripheral Shape Style: ROUND; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Center Hole Shape Style: ROUND; Thickness: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN. 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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