PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18268Retainer,packing

Hydro-Aire Aerospace Corp · NSN 5330-00-037-7670 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-037-7670 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-037-7670. Primary manufacturer part number: 18268.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Shape Style: SPECIAL
  • Attachment Feature Quantity: 6
  • Attachment Method: ROUND HOLE
  • Attachment Hole Diameter: 0.188 INCHES NOMINAL IN
  • Center Hole Diameter: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
  • Attachment Feature Circle Diameter: 1.312 INCHES NOMINAL SINGLE CIRCLE IN
  • Surface Treatment: ANODIZE OVERALL
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-037-7670, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-037-7670
Primary Part Number18268
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Cross-Sectional Shape StyleSPECIAL
Attachment Feature Quantity6
Attachment MethodROUND HOLE
Attachment Hole Diameter0.188 INCHES NOMINAL IN
Center Hole Diameter0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Attachment Feature Circle Diameter1.312 INCHES NOMINAL SINGLE CIRCLE IN
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY OVERALL
Peripheral Diameter1.675 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
Cross-Sectional Height0.140 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-156-3502135-0000 INTERCHANGEABLE
Bearing,ball,annular
Empire Generator Corporation
1680-00-157-1039325701 PIECE 5 INTERCHANGEABLE
Filter,aircraft Instruments
Naval Sea Systems Command
7510-00-264-461200073 INTERCHANGEABLE
Pencil
Dixon Ticonderoga Co
5935-00-280-2967RSKM7-4-31SL INTERCHANGEABLE
Connector,receptacle,electrical
Itt Cannon Llc
5305-00-954-2728MS35190-255 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-012-765218268 INTERCHANGEABLE
Valve,globe
Circor Aerospace, Inc. Dba Circor Aerospace Inc
4420-01-275-901944254-1021 INTERCHANGEABLE
Cooler,fluid,industrial
Allied Defense Industries, Llc Dba Ams Distribution
Cross-Reference Index
Part NumberManufacturer
18268 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
3110-00-156-3502INTERCHANGEABLE
BEARING,BALL,ANNULAR
135-0000
1680-00-157-1039INTERCHANGEABLE
FILTER,AIRCRAFT INSTRUMENTS
325701 PIECE 5
7510-00-264-4612INTERCHANGEABLE
PENCIL
00073
5935-00-280-2967INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
RSKM7-4-31SL
5305-00-954-2728INTERCHANGEABLE
SCREW,MACHINE
MS35190-255
4820-01-012-7652INTERCHANGEABLE
VALVE,GLOBE
18268
4420-01-275-9019INTERCHANGEABLE
COOLER,FLUID,INDUSTRIAL
44254-1021

Frequently Asked Questions

What is NSN 5330-00-037-7670?

NSN 5330-00-037-7670 is a Retainer,packing, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-037-7670?

NSN 5330-00-037-7670 has 1 cross-referenced part number: 18268 (Hydro-Aire Aerospace Corp).

What NSN replaces 5330-00-037-7670?

There are 7 known substitutes for 5330-00-037-7670: 3110-00-156-3502, 1680-00-157-1039, 7510-00-264-4612 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18268?

Key specifications for 18268: Cross-Sectional Shape Style: SPECIAL; Attachment Feature Quantity: 6; Attachment Method: ROUND HOLE; Attachment Hole Diameter: 0.188 INCHES NOMINAL IN. 10 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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