PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Y7-2Washer,flat

Roller Bearing Co of America, Inc Div Pic Design · NSN 5310-00-990-5514 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-990-5514 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-990-5514. Primary manufacturer part number: Y7-2.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
  • Overall Diameter: 0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
  • Thickness: 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-990-5514, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-990-5514
Primary Part NumberY7-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusCANCELLED
Center Hole Shape StyleROUND
Material Document and ClassificationQQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.083 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
Overall Diameter0.181 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Thickness0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5905-00-190-4593382-0027-560 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
2920-00-376-8342FMX1A7 INTERCHANGEABLE
Magneto,ignition
Fairbanks Morse, Llc
5330-00-641-20844251862-1 INTERCHANGEABLE
Seal,plain Encased
Agco Corp Parts Opn
3110-01-046-3029 INTERCHANGEABLE
Bearing,ball,annular
6110-01-211-469824019.11-1 INTERCHANGEABLE
Controller,motor
Ward Leonard Ct Llc
5925-01-249-2710 INTERCHANGEABLE
Circuit Breaker
4720-01-310-4689NW24019 INTERCHANGEABLE
Hose Assembly,nonmetallic
Tld Wollard Llc
9390-01-370-0544 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
5310-01-426-0662 INTERCHANGEABLE
Washer,flat
9140-01-562-820724019 INTERCHANGEABLE
Oil,marine Gear
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
S40-27 Zf Industrieantriebe Witten Gmbh (DEU)
Y7-2 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
DY72 Allied Devices Corp Dba Absolute Precision Co (USA)
850082 General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
9130523 PRIMARY Us Army Aviation and Missile Command (USA)
24019 Lockheed Martin Corp Electronics and Missiles Div (USA)
969948 Raytheon Technical Services Company (USA)
M176-27 Zf Industrieantriebe Witten Gmbh (DEU)
N0400P00003 PRIMARY Lockheed Martin Corporation Div Rms (USA)
21C814-002 Ail Systems Inc Sub of Eaton Corp (USA)
2159900229 Navcom Defense Electronics, Inc. (USA)
Related Parts
5905-00-190-4593INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
382-0027-560
2920-00-376-8342INTERCHANGEABLE
MAGNETO,IGNITION
FMX1A7
5330-00-641-2084INTERCHANGEABLE
SEAL,PLAIN ENCASED
4251862-1
3110-01-046-3029INTERCHANGEABLE
BEARING,BALL,ANNULAR
6110-01-211-4698INTERCHANGEABLE
CONTROLLER,MOTOR
24019.11-1
5925-01-249-2710INTERCHANGEABLE
CIRCUIT BREAKER
4720-01-310-4689INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
NW24019
9390-01-370-0544INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
5310-01-426-0662INTERCHANGEABLE
WASHER,FLAT
9140-01-562-8207INTERCHANGEABLE
OIL,MARINE GEAR
24019
5935-01-572-2077INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
S4027

Frequently Asked Questions

What is NSN 5310-00-990-5514?

NSN 5310-00-990-5514 is a Washer,flat, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-990-5514?

NSN 5310-00-990-5514 has 11 cross-referenced part numbers: S40-27 (Zf Industrieantriebe Witten Gmbh), Y7-2 (Roller Bearing Co of America, Inc Div Pic Design), DY72 (Allied Devices Corp Dba Absolute Precision Co), 850082 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems), 9130523 (Us Army Aviation and Missile Command) and 6 more.

What NSN replaces 5310-00-990-5514?

There are 11 known substitutes for 5310-00-990-5514: 5905-00-190-4593, 2920-00-376-8342, 5330-00-641-2084 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Y7-2?

Key specifications for Y7-2: Center Hole Shape Style: ROUND; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL CORROSION RESISTING OVERALL; Peripheral Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-990-5514 still in active supply?

NSN 5310-00-990-5514 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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