PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X1-4100-1494518PC16Washer,flat

Naval Ship Systems Command · NSN 5310-00-290-8997 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-290-8997 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-290-8997. Primary manufacturer part number: X1-4100-1494518PC16.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
  • Material: CELLULOSE OVERALL
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN
  • Thickness: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cellulose Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-290-8997, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5310-00-290-8997
Primary Part NumberX1-4100-1494518PC16
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Hole Diameter0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
MaterialCELLULOSE OVERALL
Peripheral Shape StyleROUND
Overall Diameter1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN
Thickness0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-057-769115126 INTERCHANGEABLE
Wire,cleaner Pen
Keysight Technologies Inc
3413-00-151-4447 INTERCHANGEABLE
Drilling Machine,radial,sliding
3110-00-151-8636 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5930-00-156-332811626029 INTERCHANGEABLE
Switch,pressure
U S Army Tank Automotive Command Amsta-Im-Mm
3455-00-268-949759-10084 INTERCHANGEABLE
Cutter,milling,screw Slotting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5310-00-359-0458F1243 INTERCHANGEABLE
Washer,flat
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5310-00-621-401415126 INTERCHANGEABLE
Washer,fibre
Brinkley Technology Group Llc Dba Hercules Manufacturing
5950-00-927-2980 INTERCHANGEABLE
Reactor
4931-01-018-673715126 INTERCHANGEABLE
Drawer,storage
M C L, Inc.
3040-01-027-13639235749-13 INTERCHANGEABLE
Clamp,hub
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
Cross-Reference Index
Part NumberManufacturer
35099-16 Triumph Thermal Systems - Maryland, Inc. (USA)
15126A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
15126A Marine Engine Specialties Div of Mesco Tectonics Inc (USA)
XT3509PC16 Triumph Thermal Systems - Maryland, Inc. (USA)
H15126A Linde Lift Truck Corp. (USA)
15126A Hercules Engine Co Inc (USA)
15126 0mcc Inc (USA)
X1-4100-1494518PC16 PRIMARY Naval Ship Systems Command (USA)
Related Parts
6625-00-057-7691INTERCHANGEABLE
WIRE,CLEANER PEN
15126
3413-00-151-4447INTERCHANGEABLE
DRILLING MACHINE,RADIAL,SLIDING
3110-00-151-8636INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5930-00-156-3328INTERCHANGEABLE
SWITCH,PRESSURE
11626029
3455-00-268-9497INTERCHANGEABLE
CUTTER,MILLING,SCREW SLOTTING
59-10084
5310-00-359-0458INTERCHANGEABLE
WASHER,FLAT
F1243
5310-00-621-4014INTERCHANGEABLE
WASHER,FIBRE
15126
5950-00-927-2980INTERCHANGEABLE
REACTOR
4931-01-018-6737INTERCHANGEABLE
DRAWER,STORAGE
15126
3040-01-027-1363INTERCHANGEABLE
CLAMP,HUB
9235749-13
5310-01-096-5620INTERCHANGEABLE
WASHER,LOCK
6520-01-179-5810INTERCHANGEABLE
FILE,PULP CANAL,DENTAL

Frequently Asked Questions

What is NSN 5310-00-290-8997?

NSN 5310-00-290-8997 is a Washer,flat, manufactured by Naval Ship Systems Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-290-8997?

NSN 5310-00-290-8997 has 8 cross-referenced part numbers: 35099-16 (Triumph Thermal Systems - Maryland, Inc.), 15126A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 15126A (Marine Engine Specialties Div of Mesco Tectonics Inc), XT3509PC16 (Triumph Thermal Systems - Maryland, Inc.), H15126A (Linde Lift Truck Corp.) and 3 more.

What NSN replaces 5310-00-290-8997?

There are 12 known substitutes for 5310-00-290-8997: 6625-00-057-7691, 3413-00-151-4447, 3110-00-151-8636 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X1-4100-1494518PC16?

Key specifications for X1-4100-1494518PC16: Hole Diameter: 0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Material: CELLULOSE OVERALL; Peripheral Shape Style: ROUND; Overall Diameter: 1.250 INCHES MINIMUM AND 1.261 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-290-8997 still in active supply?

NSN 5310-00-290-8997 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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