PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6516Washer,flat

Gc/waldom Inc · NSN 5310-00-580-3612 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-580-3612 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-580-3612. Primary manufacturer part number: 6516.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: MIL-F-10336 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: CELLULOSE OVERALL
  • Peripheral Shape Style: ROUND
  • Hole Diameter: 0.250 INCHES NOMINAL IN
  • Thickness: 0.047 INCHES NOMINAL IN
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 5310-00-580-3612, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gc/waldom Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-580-3612
Primary Part Number6516
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGc/waldom Inc
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Material Document and ClassificationMIL-F-10336 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCELLULOSE OVERALL
Peripheral Shape StyleROUND
Hole Diameter0.250 INCHES NOMINAL IN
Thickness0.047 INCHES NOMINAL IN
Overall Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4910-00-072-17436516 INTERCHANGEABLE
Pump and Motor Assy
Randall Mfg. Co., Inc.
5977-00-106-96166515 INTERCHANGEABLE
Holder,electrical Contact Brush
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4130-00-339-3525065-00016 INTERCHANGEABLE
Guard,discharge Valve
Johnson Controls Navy Systems, Llc
3820-00-429-7665 INTERCHANGEABLE
Ring
1660-00-652-90766516 INTERCHANGEABLE
Trip Assy
Axillon Aerospace (baltimore) Inc.
5935-00-735-9247CA52533-4 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
5360-00-831-12836516 INTERCHANGEABLE
Spring,helical,compression
Smith & Wesson Sales Company
5331-01-006-2128335-6317 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
5305-01-045-55824900-16 INTERCHANGEABLE
Screw,cap,hexagon Head
Pdi Ground Support Systems, Inc.
5365-01-069-180349001-6 INTERCHANGEABLE
Shim
Hornet Acquisitionco, Llc Dba Onboard Systems
Cross-Reference Index
Part NumberManufacturer
490016 Gc/waldom Inc (USA)
6516 PRIMARY Gc/waldom Inc (USA)
Related Parts
4910-00-072-1743INTERCHANGEABLE
PUMP AND MOTOR ASSY
6516
5977-00-106-9616INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
6515
4130-00-339-3525INTERCHANGEABLE
GUARD,DISCHARGE VALVE
065-00016
3820-00-429-7665INTERCHANGEABLE
RING
1660-00-652-9076INTERCHANGEABLE
TRIP ASSY
6516
5935-00-735-9247INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
CA52533-4
5360-00-831-1283INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6516
5331-01-006-2128INTERCHANGEABLE
O-RING
335-6317
5305-01-045-5582INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4900-16
5365-01-069-1803INTERCHANGEABLE
SHIM
49001-6
6625-01-111-2577INTERCHANGEABLE
CLAMP
5330-01-186-7574INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5310-00-580-3612?

NSN 5310-00-580-3612 is a Washer,flat, manufactured by Gc/waldom Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-580-3612?

NSN 5310-00-580-3612 has 2 cross-referenced part numbers: 490016 (Gc/waldom Inc), 6516 (Gc/waldom Inc).

What NSN replaces 5310-00-580-3612?

There are 12 known substitutes for 5310-00-580-3612: 4910-00-072-1743, 5977-00-106-9616, 4130-00-339-3525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6516?

Key specifications for 6516: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Material Document and Classification: MIL-F-10336 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: CELLULOSE OVERALL. 8 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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