PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

131025PC312Packing,preformed

Lockheed Martin Corp · NSN 5330-01-346-9583 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-346-9583 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-346-9583. Primary manufacturer part number: 131025PC312.
Features
  • Packing,preformed — FSC 5330
  • Center Hole Diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Material: SILICONE OVERALL
  • Peripheral Diameter: 0.254 INCHES NOMINAL IN
  • Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Applications
  • Applications requiring Silicone Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-346-9583, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-346-9583
Primary Part Number131025PC312
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Center Hole Diameter0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
MaterialSILICONE OVERALL
Peripheral Diameter0.254 INCHES NOMINAL IN
Hardness Rating70.0 SHORE DUROMETER A NOMINAL OVERALL
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-079-4578AS3582-006 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5975-01-349-3195 INTERCHANGEABLE
Junction Box
Cross-Reference Index
Part NumberManufacturer
131025PC312 Lockheed Martin Corp (USA)
5330PL2057751 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS9068-006 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
131025-312 Lockheed Martin Corp (USA)
Related Parts
5331-00-079-4578INTERCHANGEABLE
O-RING
AS3582-006
5975-01-349-3195INTERCHANGEABLE
JUNCTION BOX

Frequently Asked Questions

What is NSN 5330-01-346-9583?

NSN 5330-01-346-9583 is a Packing,preformed, manufactured by Lockheed Martin Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-346-9583?

NSN 5330-01-346-9583 has 4 cross-referenced part numbers: 131025PC312 (Lockheed Martin Corp), 5330PL2057751 (Jednolity Indeks Materialowy - Uniform Material Index), MS9068-006 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 131025-312 (Lockheed Martin Corp).

What NSN replaces 5330-01-346-9583?

There are 2 known substitutes for 5330-01-346-9583: 5331-00-079-4578, 5975-01-349-3195. Verify interchangeability with system specifications before substitution.

What are the specifications of 131025PC312?

Key specifications for 131025PC312: Center Hole Diameter: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: PACKING,PREFORMED; Elongation Percentage: 125 MAXIMUM; Material: SILICONE OVERALL. 8 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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