PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q2730-4-1ZGrommet,nonmetallic

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5325-00-174-5315 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-174-5315 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-174-5315. Primary manufacturer part number: Q2730-4-1Z.
Features
  • Grommet,nonmetallic — FSC 5325
  • Material Document and Classification: ASTM D2000 BG515A14B24C32E036F19Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Grommet Construction Type: SOLID
  • Features Provided: COOLANT RESISTANT AND OIL RESISTANT
  • Flange Thickness: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
  • Grommet Style: ROUND
  • Large Flange Outside Diameter: 0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
  • Hole Diameter: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Applications
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Grommet,nonmetallic, cataloged under National Stock Number 5325-00-174-5315, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 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
NSN5325-00-174-5315
Primary Part NumberQ2730-4-1Z
Item NameGrommet,nonmetallic
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusCANCELLED
Material Document and ClassificationASTM D2000 BG515A14B24C32E036F19Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Grommet Construction TypeSOLID
Features ProvidedCOOLANT RESISTANT AND OIL RESISTANT
Flange Thickness0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Grommet StyleROUND
Large Flange Outside Diameter0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
Hole Diameter0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
Groove Width0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
Groove Outside Diameter0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC OVERALL
ColorBLACK OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
9540-00-227-8841 INTERCHANGEABLE
Angle,structural
4730-00-311-9661 INTERCHANGEABLE
Bolt,fluid Passage
4520-00-327-212528031-002 INTERCHANGEABLE
Heating Element,electrical,nonim
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
5977-00-359-9494324901001 INTERCHANGEABLE
Electrode
L & L Boiler Maintenance Inc
5310-00-392-1019113007 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
5360-00-499-32704090-5117 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation
5940-00-557-13081130-07 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
5845-00-773-646928301 INTERCHANGEABLE
Base Plate
L3harris Technologies, Inc.
5950-01-029-5971 INTERCHANGEABLE
Coil,radio Frequency
9540-01-087-334460-29398 INTERCHANGEABLE
Angle,structural
Transtar Metals Corp
Cross-Reference Index
Part NumberManufacturer
Q2730-4-1Z Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
416131-7 Raytheon Company Dba Raytheon (USA)
28031 Goodrich Corporation (USA)
5325001745315 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
9448731006 Pilatus Aircraft Ltd (CHE)
MS35489-07 Leonardo Spa Helicopters Division - Production Site (ITA)
5325001745315 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS35489-7S Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS35489-7 Leonardo Spa Helicopters Division - Production Site (ITA)
113007ADX Airdale Express Llc Div Airdale Express (USA)
113007 Federal Screw Products, Inc. (USA)
MS35489-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
28301 Goodrich Corporation (USA)
Related Parts
9540-00-227-8841INTERCHANGEABLE
ANGLE,STRUCTURAL
4730-00-311-9661INTERCHANGEABLE
BOLT,FLUID PASSAGE
4520-00-327-2125INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
28031-002
5977-00-359-9494INTERCHANGEABLE
ELECTRODE
324901001
5310-00-392-1019INTERCHANGEABLE
WASHER,FLAT
113007
5360-00-499-3270INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
4090-5117
5940-00-557-1308INTERCHANGEABLE
TERMINAL,FEEDTHRU
1130-07
5845-00-773-6469INTERCHANGEABLE
BASE PLATE
28301
5950-01-029-5971INTERCHANGEABLE
COIL,RADIO FREQUENCY
9540-01-087-3344INTERCHANGEABLE
ANGLE,STRUCTURAL
60-29398
4470-01-127-2179INTERCHANGEABLE
DRAWER,GROUP PROGRAMMER D2W
6645-01-146-1548INTERCHANGEABLE
TIMER,INTERVAL

Frequently Asked Questions

What is NSN 5325-00-174-5315?

NSN 5325-00-174-5315 is a Grommet,nonmetallic, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-174-5315?

NSN 5325-00-174-5315 has 13 cross-referenced part numbers: Q2730-4-1Z (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), 416131-7 (Raytheon Company Dba Raytheon), 28031 (Goodrich Corporation), 5325001745315 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 9448731006 (Pilatus Aircraft Ltd) and 8 more.

What NSN replaces 5325-00-174-5315?

There are 12 known substitutes for 5325-00-174-5315: 9540-00-227-8841, 4730-00-311-9661, 4520-00-327-2125 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Q2730-4-1Z?

Key specifications for Q2730-4-1Z: Material Document and Classification: ASTM D2000 BG515A14B24C32E036F19Z ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Grommet Construction Type: SOLID; Features Provided: COOLANT RESISTANT AND OIL RESISTANT; Flange Thickness: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-174-5315 still in active supply?

NSN 5325-00-174-5315 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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