PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33A37-1240Retainer,packing

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5330-00-263-9955 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-263-9955 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-263-9955. Primary manufacturer part number: 33A37-1240.
Features
  • Retainer,packing — FSC 5330
  • Cross-Sectional Height: 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
  • Center Hole Diameter: 2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN
  • Material: ALUMINUM ALLOY 6061 OR COPPER ALLOY OVERALL
  • Material Document and Classification: QQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-789 FED SPEC 1ST MATERIAL RESPONSE OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Peripheral Diameter: 2.744 INCHES MINIMUM AND 2.748 INCHES MAXIMUM IN
  • Angle: 90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
Applications
  • Applications requiring Aluminum Alloy 6061 or Copper Alloy Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-263-9955, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5330-00-263-9955
Primary Part Number33A37-1240
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Cross-Sectional Height0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
Center Hole Diameter2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY 6061 OR COPPER ALLOY OVERALL
Material Document and ClassificationQQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-789 FED SPEC 1ST MATERIAL RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Peripheral Diameter2.744 INCHES MINIMUM AND 2.748 INCHES MAXIMUM IN
Angle90.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM
Surface Treatment Document and ClassificationQQ-A-696 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Cross-Sectional Shape StyleU
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3020-00-252-735942-C-16420-30 INTERCHANGEABLE
Chain,roller
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5307-00-274-81960S0532 INTERCHANGEABLE
Stud,plain
Caterpillar Inc Div Caterpillar Defense
2030-01-237-9565 INTERCHANGEABLE
Power Unit
Cross-Reference Index
Part NumberManufacturer
33A37-1240 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
S5-32 Houghton International Inc. (USA)
Z33A37-1240 Naval Ordnance Standards (USA)
AN6228-32 Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
3020-00-252-7359INTERCHANGEABLE
CHAIN,ROLLER
42-C-16420-30
5307-00-274-8196INTERCHANGEABLE
STUD,PLAIN
0S0532
2030-01-237-9565INTERCHANGEABLE
POWER UNIT

Frequently Asked Questions

What is NSN 5330-00-263-9955?

NSN 5330-00-263-9955 is a Retainer,packing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-263-9955?

NSN 5330-00-263-9955 has 4 cross-referenced part numbers: 33A37-1240 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), S5-32 (Houghton International Inc.), Z33A37-1240 (Naval Ordnance Standards), AN6228-32 (Aeronautical Standards Group Dept of Navy and Air Force).

What NSN replaces 5330-00-263-9955?

There are 3 known substitutes for 5330-00-263-9955: 3020-00-252-7359, 5307-00-274-8196, 2030-01-237-9565. Verify interchangeability with system specifications before substitution.

What are the specifications of 33A37-1240?

Key specifications for 33A37-1240: Cross-Sectional Height: 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN; Center Hole Diameter: 2.127 INCHES MINIMUM AND 2.131 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY 6061 OR COPPER ALLOY OVERALL; Material Document and Classification: QQ-A-225/8 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-789 FED SPEC 1ST MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-263-9955 still in active supply?

NSN 5330-00-263-9955 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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