PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2181262 PC 12Retainer,packing

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 5330-01-157-0548 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-157-0548 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-157-0548. Primary manufacturer part number: 845-2181262 PC 12.
Features
  • Retainer,packing — FSC 5330
  • Cut Type: DIAGONAL OVERALL
  • Criticality Code Justification: ZZZX
  • Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Departure From Cited Designator: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Peripheral Diameter: 2.258 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Cross-Sectional Height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-157-0548, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-157-0548
Primary Part Number845-2181262 PC 12
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Cut TypeDIAGONAL OVERALL
Criticality Code JustificationZZZX
Material Document and ClassificationSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
Departure From Cited DesignatorMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Peripheral Diameter2.258 INCHES MINIMUM AND 2.262 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Cross-Sectional Height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Center Hole Diameter2.021 INCHES MINIMUM AND 2.023 INCHES MAXIMUM IN
Joint TypeSCARF-PERIPHERAL RETAINER
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-582-1547 INTERCHANGEABLE
Retainer,packing
5330-00-913-4700 INTERCHANGEABLE
Gasket
5330-01-227-6431 INTERCHANGEABLE
Retainer,packing
5330-01-244-3528 INTERCHANGEABLE
Packing,preformed
5330-01-328-1995 INTERCHANGEABLE
Retainer,packing
Cross-Reference Index
Part NumberManufacturer
845-2181262 PC 12 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-932X1PC12,1IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MS28774 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
845-2181262,PC121IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
PL-1025PC12 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
MS28774-226 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
PL-1025PC12 Hydrasearch Company, Llc (USA)
Related Parts
5330-00-582-1547INTERCHANGEABLE
RETAINER,PACKING
5330-00-913-4700INTERCHANGEABLE
GASKET
5330-01-227-6431INTERCHANGEABLE
RETAINER,PACKING
5330-01-244-3528INTERCHANGEABLE
PACKING,PREFORMED
5330-01-328-1995INTERCHANGEABLE
RETAINER,PACKING

Frequently Asked Questions

What is NSN 5330-01-157-0548?

NSN 5330-01-157-0548 is a Retainer,packing, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-157-0548?

NSN 5330-01-157-0548 has 7 cross-referenced part numbers: 845-2181262 PC 12 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-932X1PC12,1IN (Electric Boat Corporation Div General Dynamics Electric Boat), MS28774 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 845-2181262,PC121IN (Electric Boat Corporation Div General Dynamics Electric Boat), PL-1025PC12 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging) and 2 more.

What NSN replaces 5330-01-157-0548?

There are 5 known substitutes for 5330-01-157-0548: 5330-00-582-1547, 5330-00-913-4700, 5330-01-227-6431 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2181262 PC 12?

Key specifications for 845-2181262 PC 12: Cut Type: DIAGONAL OVERALL; Criticality Code Justification: ZZZX; Material Document and Classification: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Departure From Cited Designator: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 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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