PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S9550-B6-MMA-010FIG7-5(5)Washer,flat

Naval Sea Systems Command · NSN 5310-01-699-3668 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-699-3668 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-699-3668. Primary manufacturer part number: S9550-B6-MMA-010FIG7-5(5).
Features
  • Washer,flat — FSC 5310
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-699-3668, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-699-3668
Primary Part NumberS9550-B6-MMA-010FIG7-5(5)
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5998-00-477-0488201334 INTERCHANGEABLE
Circuit Card Assembly
Marine Electric Systems Inc
5133-00-838-5345 INTERCHANGEABLE
Drill,twist
5310-01-367-1493201334 INTERCHANGEABLE
Washer,flat
Admiral Filter Company Llc
6630-01-547-295220-1334 INTERCHANGEABLE
Meter,salinity Indicating,electr
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
S9550-B6-MMA-010FIG7-5(5) Naval Sea Systems Command (USA)
201334 Admiral Filter Company Llc (USA)
Related Parts
5998-00-477-0488INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
201334
5133-00-838-5345INTERCHANGEABLE
DRILL,TWIST
5310-01-367-1493INTERCHANGEABLE
WASHER,FLAT
201334
6630-01-547-2952INTERCHANGEABLE
METER,SALINITY INDICATING,ELECTR
20-1334

Frequently Asked Questions

What is NSN 5310-01-699-3668?

NSN 5310-01-699-3668 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-699-3668?

NSN 5310-01-699-3668 has 2 cross-referenced part numbers: S9550-B6-MMA-010FIG7-5(5) (Naval Sea Systems Command), 201334 (Admiral Filter Company Llc).

What NSN replaces 5310-01-699-3668?

There are 4 known substitutes for 5310-01-699-3668: 5998-00-477-0488, 5133-00-838-5345, 5310-01-367-1493 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S9550-B6-MMA-010FIG7-5(5)?

Key specifications for S9550-B6-MMA-010FIG7-5(5): Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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