PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS557-3BGrommet,nonmetallic

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5325-00-584-6624 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-584-6624 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-584-6624. Primary manufacturer part number: NAS557-3B.
Features
  • Grommet,nonmetallic — FSC 5325
  • Hole Diameter: 0.188 INCHES NOMINAL IN
  • Flange Thickness: 0.064 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
  • Groove Outside Diameter: 0.241 INCHES NOMINAL IN
  • Material Document and Classification: MIL-M-20693 TY1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Grommet Style: ROUND
  • Specification/standard Data: 80205-NAS557 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Groove Width: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic Overall construction
General Description

The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-584-6624, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-584-6624
Primary Part NumberNAS557-3B
Item NameGrommet,nonmetallic
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Hole Diameter0.188 INCHES NOMINAL IN
Flange Thickness0.064 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN
Groove Outside Diameter0.241 INCHES NOMINAL IN
Material Document and ClassificationMIL-M-20693 TY1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Grommet StyleROUND
Specification/standard Data80205-NAS557 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Groove Width0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
MaterialPLASTIC OVERALL
ColorNATURAL OVERALL
Large Flange Outside Diameter0.315 INCHES NOMINAL IN
Grommet Construction TypeSPLIT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6105-00-531-0563 INTERCHANGEABLE
Motor,alternating Current
2805-00-646-8982120-0491 INTERCHANGEABLE
Oil Pump Assembly,engine
Cummins Power Generation Inc.
5340-01-537-4821120491 INTERCHANGEABLE
Bumper
Drs Signal Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
NAS557-3B PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
10119140 Nimikkeistokeskus Ncb Finland (FIN)
295202-3B Monadnock Company, the Dba Lisi Aerospace (USA)
947552-32 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
1204-9-1 Avien Inc
Related Parts
6105-00-531-0563INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
2805-00-646-8982INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
120-0491
5340-01-537-4821INTERCHANGEABLE
BUMPER
120491

Frequently Asked Questions

What is NSN 5325-00-584-6624?

NSN 5325-00-584-6624 is a Grommet,nonmetallic, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-584-6624?

NSN 5325-00-584-6624 has 5 cross-referenced part numbers: NAS557-3B (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 10119140 (Nimikkeistokeskus Ncb Finland), 295202-3B (Monadnock Company, the Dba Lisi Aerospace), 947552-32 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 1204-9-1 (Avien Inc).

What NSN replaces 5325-00-584-6624?

There are 3 known substitutes for 5325-00-584-6624: 6105-00-531-0563, 2805-00-646-8982, 5340-01-537-4821. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS557-3B?

Key specifications for NAS557-3B: Hole Diameter: 0.188 INCHES NOMINAL IN; Flange Thickness: 0.064 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Groove Outside Diameter: 0.241 INCHES NOMINAL IN; Material Document and Classification: MIL-M-20693 TY1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-584-6624 still in active supply?

NSN 5325-00-584-6624 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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